Organization record
POTOMAC BANCSHARES INC
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| capex | {"amount": 21000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-03-31 | sec_edgar |
| capex | {"amount": 130000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-12-31 | sec_edgar |
| capex | {"amount": 94000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-09-30 | sec_edgar |
| capex | {"amount": 77000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-06-30 | sec_edgar |
| capex | {"amount": 12000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-03-31 | sec_edgar |
| capex | {"amount": 99000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-12-31 | sec_edgar |
| capex | {"amount": 71000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-09-30 | sec_edgar |
| capex | {"amount": 42000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-06-30 | sec_edgar |
| capex | {"amount": 1288000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 29081000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13724000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 17993000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24001000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-08-12 | sec_edgar |
| cash_and_equivalents | {"amount": 10777000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24001000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12905000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15813000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 15153000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12623000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8349000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 12527000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -9533000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -2829000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": 2398000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 14357000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -8142000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -5757000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -1670000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 7519000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": 4015000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": 5900000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": 4758000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -6375000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4312000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 3305000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": 5939000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": 501000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4321000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1185000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 4452000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 3159000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 1849000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 1051000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 5119000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 3008000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 3699000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 1076000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3671691, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3390178, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-05-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3390178, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-20 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3390178, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-11-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3390178, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-08-12 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3671691, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3671691000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 3390178} | 2012-05-14 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 3390178} | 2012-03-20 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 3390178} | 2011-11-14 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 3390178} | 2011-08-12 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 19207285, "currency": "USD"} | 2011-06-30 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2012-03-31 | sec_edgar |
| dividends_paid | {"amount": 67000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-12-31 | sec_edgar |
| dividends_paid | {"amount": 67000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-09-30 | sec_edgar |
| dividends_paid | {"amount": 33000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-06-30 | sec_edgar |
| dividends_paid | {"amount": 34000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-03-31 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-09-30 | sec_edgar |
| dividends_paid | {"amount": 0, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-06-30 | sec_edgar |
| dividends_paid | {"amount": 899000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 129000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": -1250000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": -1370000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": -1418000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 6000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 48000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 42000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 680000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 648000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 241000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 214000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 407000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": -1436000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| industry_sic | {"code": "6022", "scheme": "SIC", "description": "State Commercial Banks"} | sec_edgar | |
| interest_expense | {"amount": 459000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 2900000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 2343000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 634000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 1709000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 784000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 925000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 4143000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 3195000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 993000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 1058000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 2202000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 5121000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| net_income | {"amount": 320000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": -1010000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| net_income | {"amount": -1802000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": -1372000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 430000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 173000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 257000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 1794000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 528000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 1388000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 860000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 438000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": -2240000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| ppe_net | {"amount": 7834000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| ppe_net | {"amount": 7923000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-12-31 | sec_edgar |
| ppe_net | {"amount": 8003000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-09-30 | sec_edgar |
| ppe_net | {"amount": 8101000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-06-30 | sec_edgar |
| ppe_net | {"amount": 8270000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 449000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2012-03-31 | sec_edgar |
| pretax_income | {"amount": -2260000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2011-12-31 | sec_edgar |
| pretax_income | {"amount": -3220000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": -2742000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": 478000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 179000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 299000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-03-31 | sec_edgar |
| pretax_income | {"amount": 2474000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 769000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 2036000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 652000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 1267000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": -3676000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTax | 2009-12-31 | sec_edgar |
| retained_earnings | {"amount": 22968000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-03-31 | sec_edgar |
| retained_earnings | {"amount": 22648000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-12-31 | sec_edgar |
| retained_earnings | {"amount": 22286000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-09-30 | sec_edgar |
| retained_earnings | {"amount": 24089000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-06-30 | sec_edgar |
| retained_earnings | {"amount": 23725000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2010-12-31 | sec_edgar |
| share_based_compensation | {"amount": 1000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2012-03-31 | sec_edgar |
| share_based_compensation | {"amount": 11000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-12-31 | sec_edgar |
| share_based_compensation | {"amount": 11000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-09-30 | sec_edgar |
| share_based_compensation | {"amount": 8000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-06-30 | sec_edgar |
| share_based_compensation | {"amount": 4000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-03-31 | sec_edgar |
| share_based_compensation | {"amount": 34000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-12-31 | sec_edgar |
| share_based_compensation | {"amount": 25000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-09-30 | sec_edgar |
| share_based_compensation | {"amount": 17000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-06-30 | sec_edgar |
| share_based_compensation | {"amount": 47000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2009-12-31 | sec_edgar |
| share_repurchase | {"amount": 0, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "USD"} | 2011-12-31 | sec_edgar |
| share_repurchase | {"amount": 0, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "USD"} | 2010-12-31 | sec_edgar |
| share_repurchase | {"amount": 29000, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "US | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 25865000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2012-03-31 | sec_edgar |
| stockholders_equity | {"amount": 25465000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-12-31 | sec_edgar |
| stockholders_equity | {"amount": 25725000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-09-30 | sec_edgar |
| stockholders_equity | {"amount": 27531000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-06-30 | sec_edgar |
| stockholders_equity | {"amount": 27122000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-03-31 | sec_edgar |
| stockholders_equity | {"amount": 26776000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-12-31 | sec_edgar |
| stockholders_equity | {"amount": 26982000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-09-30 | sec_edgar |
| stockholders_equity | {"amount": 26527000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-06-30 | sec_edgar |
| stockholders_equity | {"amount": 25572000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 27804000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2008-12-31 | sec_edgar |
| total_assets | {"amount": 298295000, "concept": "us-gaap:Assets", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_assets | {"amount": 287393000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_assets | {"amount": 293745000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_assets | {"amount": 300767000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_assets | {"amount": 297609000, "concept": "us-gaap:Assets", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities | {"amount": 272430000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_liabilities | {"amount": 261928000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_liabilities | {"amount": 268020000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_liabilities | {"amount": 273236000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_liabilities | {"amount": 270833000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 298295000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2012-03-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 287393000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 293745000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-09-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 300767000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-06-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 297609000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2010-12-31 | sec_edgar |
| treasury_stock_value | {"amount": 2866000, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2012-03-31 | sec_edgar |
| treasury_stock_value | {"amount": 2866000, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-12-31 | sec_edgar |
| treasury_stock_value | {"amount": 2866000, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| treasury_stock_value | {"amount": 2866000, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| treasury_stock_value | {"amount": 2866000, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -56000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -268000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -212000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -150000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -75000, "currency": "USD"} | 2011-03-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -214000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -145000, "currency": "USD"} | 2010-09-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -82000, "currency": "USD"} | 2010-06-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -129000, "currency": "USD"} | 2009-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -1853000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -1932000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -1310000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -1304000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -1687000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"amount": 3944000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"amount": 3943000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"amount": 3943000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"amount": 3940000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AdditionalPaidInCapitalCommonStock | {"amount": 3932000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | {"amount": 1000, "currency": "USD"} | 2012-03-31 | sec_edgar |