Organization record
PIONEER BANKSHARES INC/VA
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 |
|---|---|---|---|
| cash_and_equivalents | {"amount": 3906000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3360000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4539000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4880000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3980000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4373000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2936000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3720000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5252000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2401000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 4188000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -3191000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 1073000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -3654000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 10746000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": 5847000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": 4686000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": 5532000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 1553000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -4961000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1054000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -3602000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": 2570000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -12299000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -10124000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -9473000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -8698000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": 279000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 1319000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3232000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 2695000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 1591000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 1160000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3398000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 2471000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 1634000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 1019000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1042173, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-05-11 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1041373, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1041373, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-29 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1041373, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1038134, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-11-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1038134, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1032418, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-08-12 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1038134, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1035274, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 1042173} | 2012-05-11 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 1041373} | 2012-03-29 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 1038134} | 2011-11-14 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 1032418} | 2011-08-12 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 14823980, "currency": "USD"} | 2011-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.15, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2012-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.59, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.45, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.15, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2011-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.15, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.15, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2011-03-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.58, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-12-31 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.44, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.14, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-09-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.15, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2010-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared" | 2010-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 0.57, "concept": "us-gaap:CommonStockDividendsPerShareDeclared | 2009-12-31 | sec_edgar |
| dividends_paid | {"amount": 156000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2012-03-31 | sec_edgar |
| dividends_paid | {"amount": 612000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-12-31 | sec_edgar |
| dividends_paid | {"amount": 466000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-09-30 | sec_edgar |
| dividends_paid | {"amount": 311000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-06-30 | sec_edgar |
| dividends_paid | {"amount": 155000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2011-03-31 | sec_edgar |
| dividends_paid | {"amount": 598000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dividends_paid | {"amount": 454000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-09-30 | sec_edgar |
| dividends_paid | {"amount": 309000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2010-06-30 | sec_edgar |
| dividends_paid | {"amount": 583000, "concept": "us-gaap:PaymentsOfDividendsCommonStock", "currency": "USD"} | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 283000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": 749000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": 492000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 205000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 159000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 287000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 128000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 884000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 256000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 604000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 177000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 348000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 552000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| industry_sic | {"code": "6021", "scheme": "SIC", "description": "National Commercial Banks"} | sec_edgar | |
| interest_expense | {"amount": 322000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 1443000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 1098000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 354000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 744000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 369000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 375000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 1764000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 1373000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 435000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 938000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 463000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 2800000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| long_term_debt | {"amount": 9000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2012-03-31 | sec_edgar |
| long_term_debt | {"amount": 10500000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2011-12-31 | sec_edgar |
| long_term_debt | {"amount": 12000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2011-09-30 | sec_edgar |
| long_term_debt | {"amount": 7000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2011-06-30 | sec_edgar |
| long_term_debt | {"amount": 11000000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 592000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": 1657000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| net_income | {"amount": 1058000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 435000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 332000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 623000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 291000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 1859000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 516000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 1300000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 784000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 413000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 1228000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| ppe_net | {"amount": 4140000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| ppe_net | {"amount": 4127000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-12-31 | sec_edgar |
| ppe_net | {"amount": 4162000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-09-30 | sec_edgar |
| ppe_net | {"amount": 3300000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-06-30 | sec_edgar |
| ppe_net | {"amount": 3359000, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 875000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2012-03-31 | sec_edgar |
| pretax_income | {"amount": 2406000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-12-31 | sec_edgar |
| pretax_income | {"amount": 640000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": 1550000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": 910000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 491000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 419000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-03-31 | sec_edgar |
| pretax_income | {"amount": 2743000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 772000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 1904000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 1132000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 590000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 1780000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2009-12-31 | sec_edgar |
| retained_earnings | {"amount": 20219000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-03-31 | sec_edgar |
| retained_earnings | {"amount": 19783000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-12-31 | sec_edgar |
| retained_earnings | {"amount": 19284000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-09-30 | sec_edgar |
| retained_earnings | {"amount": 19004000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-06-30 | sec_edgar |
| retained_earnings | {"amount": 18649000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2010-12-31 | sec_edgar |
| share_based_compensation | {"amount": 92000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-12-31 | sec_edgar |
| share_based_compensation | {"amount": 44000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-09-30 | sec_edgar |
| share_based_compensation | {"amount": 44000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2011-06-30 | sec_edgar |
| share_based_compensation | {"amount": 91000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-12-31 | sec_edgar |
| share_based_compensation | {"amount": 45000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-09-30 | sec_edgar |
| share_based_compensation | {"amount": 45000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2010-06-30 | sec_edgar |
| share_based_compensation | {"amount": 201000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 21002000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2012-03-31 | sec_edgar |
| stockholders_equity | {"amount": 20563000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-12-31 | sec_edgar |
| stockholders_equity | {"amount": 20039000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-09-30 | sec_edgar |
| stockholders_equity | {"amount": 19753000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-06-30 | sec_edgar |
| stockholders_equity | {"amount": 19582000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-03-31 | sec_edgar |
| stockholders_equity | {"amount": 19395000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-12-31 | sec_edgar |
| stockholders_equity | {"amount": 18949000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-09-30 | sec_edgar |
| stockholders_equity | {"amount": 18405000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-06-30 | sec_edgar |
| stockholders_equity | {"amount": 17916000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 16805000, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2008-12-31 | sec_edgar |
| total_assets | {"amount": 172504000, "concept": "us-gaap:Assets", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_assets | {"amount": 167247000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_assets | {"amount": 170638000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_assets | {"amount": 165216000, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_assets | {"amount": 168158000, "concept": "us-gaap:Assets", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities | {"amount": 151502000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_liabilities | {"amount": 146684000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_liabilities | {"amount": 150599000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_liabilities | {"amount": 145463000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_liabilities | {"amount": 148763000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 172504000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2012-03-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 167247000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 170638000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-09-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 165216000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-06-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 168158000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2010-12-31 | sec_edgar |
| xbrl:AccountsPayableAndOtherAccruedLiabilities | {"amount": 2778000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccountsPayableAndOtherAccruedLiabilities | {"amount": 2304000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccountsPayableAndOtherAccruedLiabilities | {"amount": 2101000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccountsPayableAndOtherAccruedLiabilities | {"amount": 1847000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccountsPayableAndOtherAccruedLiabilities | {"amount": 1804000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -24000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -26000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -18000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -11000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -5000, "currency": "USD"} | 2011-03-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -27000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -21000, "currency": "USD"} | 2010-09-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -14000, "currency": "USD"} | 2010-06-30 | sec_edgar |
| xbrl:AccretionAmortizationOfDiscountsAndPremiumsInvestments | {"amount": -19000, "currency": "USD"} | 2009-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 262000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 259000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 236000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 230000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 228000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:Assets | {"amount": 172504000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:Assets | {"amount": 167247000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:Assets | {"amount": 170638000, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:Assets | {"amount": 165216000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:Assets | {"amount": 168158000, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"amount": 11790000, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"amount": 11989000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AvailableForSaleSecurities | {"amount": 10293000, "currency": "USD"} | 2011-09-30 | sec_edgar |