Organization record
KILLBUCK 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": 23503, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-03-31 | sec_edgar |
| capex | {"amount": 90049, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-12-31 | sec_edgar |
| capex | {"amount": 44827, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-09-30 | sec_edgar |
| capex | {"amount": 36612, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-06-30 | sec_edgar |
| capex | {"amount": 9524, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2011-03-31 | sec_edgar |
| capex | {"amount": 108599, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-12-31 | sec_edgar |
| capex | {"amount": 94610, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-09-30 | sec_edgar |
| capex | {"amount": 53913, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-06-30 | sec_edgar |
| capex | {"amount": 85447, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 72017341, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 54696204, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 61065186, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 67180411, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 65798597, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 66424145, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 66267282, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 44110891, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 45513944, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 40316633, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 14117671, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": 27892970, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 22247472, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": 12327574, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 7107395, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": 30287995, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": 20852313, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": 2537696, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 28592116, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": 2972091, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -43238412, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -29906824, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -12905593, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -8218494, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -13495960, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -2235523, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -5925910, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -25528010, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 231375, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3617501, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 2300393, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 1334285, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 485551, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 4118166, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 2136548, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 1985161, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 2133205, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 718431, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 718431, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 718431, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 718431, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 718431, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 613521, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-05-07 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 613771, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 613771, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-11-09 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 615425, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-08-09 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 613521} | 2012-05-07 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 613771} | 2011-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 613771} | 2011-11-09 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 615425} | 2011-08-09 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 63800000, "currency": "USD"} | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.18, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 4.67, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.49, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 3.43, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.94, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.92, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 4.83, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.66, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 3.51, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 2.85, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 1.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 5.07, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-12-31 | sec_edgar |
| goodwill | {"amount": 1329249, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2012-03-31 | sec_edgar |
| goodwill | {"amount": 1329249, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-12-31 | sec_edgar |
| goodwill | {"amount": 1329249, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-09-30 | sec_edgar |
| goodwill | {"amount": 1329249, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2011-06-30 | sec_edgar |
| goodwill | {"amount": 1329249, "concept": "us-gaap:Goodwill", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 167313, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": 604796, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": 244412, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 416262, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": 171850, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 122588, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": 49262, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": 513063, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": 256129, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": -73188, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": 164283, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 329317, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": 835443, "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": 862108, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 3811754, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 942349, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 2905681, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 1963332, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 978639, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 984693, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 4067670, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 1033479, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 3035530, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 2002051, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 1008139, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 4476839, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| net_income | {"amount": 723387, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": 2874616, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| net_income | {"amount": 2113799, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 916127, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": 629936, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 1197673, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": 567737, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": 2979476, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 407419, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 2165283, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": 1757864, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 815847, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": 3134952, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| ppe_net | {"amount": 5408754, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| ppe_net | {"amount": 5460594, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-12-31 | sec_edgar |
| ppe_net | {"amount": 5489371, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-09-30 | sec_edgar |
| ppe_net | {"amount": 5634749, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2011-06-30 | sec_edgar |
| ppe_net | {"amount": 5751540, "concept": "us-gaap:PropertyPlantAndEquipmentNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 890700, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2012-03-31 | sec_edgar |
| pretax_income | {"amount": 3479412, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-12-31 | sec_edgar |
| pretax_income | {"amount": 1160539, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": 2530061, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-09-30 | sec_edgar |
| pretax_income | {"amount": 1369523, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 752524, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-06-30 | sec_edgar |
| pretax_income | {"amount": 616999, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-03-31 | sec_edgar |
| pretax_income | {"amount": 3492539, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-12-31 | sec_edgar |
| pretax_income | {"amount": 334231, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 2421412, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-09-30 | sec_edgar |
| pretax_income | {"amount": 2087181, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 980130, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-06-30 | sec_edgar |
| pretax_income | {"amount": 3970395, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2009-12-31 | sec_edgar |
| retained_earnings | {"amount": 46564355, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-03-31 | sec_edgar |
| retained_earnings | {"amount": 45840968, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-12-31 | sec_edgar |
| retained_earnings | {"amount": 46031496, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-09-30 | sec_edgar |
| retained_earnings | {"amount": 45115370, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-06-30 | sec_edgar |
| retained_earnings | {"amount": 44841370, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2010-12-31 | sec_edgar |
| share_repurchase | {"amount": 27780, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "US | 2012-03-31 | sec_edgar |
| share_repurchase | {"amount": 237919, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "U | 2011-12-31 | sec_edgar |
| share_repurchase | {"amount": 226784, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "U | 2011-09-30 | sec_edgar |
| share_repurchase | {"amount": 50661, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "US | 2011-06-30 | sec_edgar |
| share_repurchase | {"amount": 17437, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "US | 2011-03-31 | sec_edgar |
| share_repurchase | {"amount": 81967, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "US | 2010-12-31 | sec_edgar |
| share_repurchase | {"amount": 0, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "USD"} | 2010-09-30 | sec_edgar |
| share_repurchase | {"amount": 0, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "USD"} | 2010-06-30 | sec_edgar |
| share_repurchase | {"amount": 527146, "concept": "us-gaap:PaymentsForRepurchaseOfCommonStock", "currency": "U | 2009-12-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 613637, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2012-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 615060, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-12-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 614827, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 615479, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 615804, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 615712, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 615897, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2011-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 616667, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2010-12-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 616706, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2010-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 616706, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2010-09-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 616706, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2010-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 616706, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2010-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 618497, "concept": "us-gaap:WeightedAverageNumberOfSharesOutst | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 46049613, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2012-03-31 | sec_edgar |
| stockholders_equity | {"amount": 45222831, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-12-31 | sec_edgar |
| stockholders_equity | {"amount": 45569774, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-09-30 | sec_edgar |
| stockholders_equity | {"amount": 44829761, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2011-06-30 | sec_edgar |
| stockholders_equity | {"amount": 43679690, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2010-12-31 | sec_edgar |
| stockholders_equity | {"amount": 43063408, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2009-12-31 | sec_edgar |
| stockholders_equity | {"amount": 42935598, "concept": "us-gaap:StockholdersEquity", "currency": "USD"} | 2008-12-31 | sec_edgar |
| total_assets | {"amount": 451626155, "concept": "us-gaap:Assets", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_assets | {"amount": 436534401, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_assets | {"amount": 430193093, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_assets | {"amount": 419518649, "concept": "us-gaap:Assets", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_assets | {"amount": 405070353, "concept": "us-gaap:Assets", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities | {"amount": 405576542, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2012-03-31 | sec_edgar |
| total_liabilities | {"amount": 391311570, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-12-31 | sec_edgar |
| total_liabilities | {"amount": 384623319, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-09-30 | sec_edgar |
| total_liabilities | {"amount": 374688888, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2011-06-30 | sec_edgar |
| total_liabilities | {"amount": 361390663, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2010-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 451626155, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2012-03-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 436534401, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 430193093, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-09-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 419518649, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2011-06-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 405070353, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": " | 2010-12-31 | sec_edgar |
| treasury_stock_value | {"amount": 9890380, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2012-03-31 | sec_edgar |
| treasury_stock_value | {"amount": 9862600, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-12-31 | sec_edgar |
| treasury_stock_value | {"amount": 9851465, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-09-30 | sec_edgar |
| treasury_stock_value | {"amount": 9675342, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2011-06-30 | sec_edgar |
| treasury_stock_value | {"amount": 9624681, "concept": "us-gaap:TreasuryStockValue", "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrentAndNoncurrent | {"amount": 1007192, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrentAndNoncurrent | {"amount": 887671, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrentAndNoncurrent | {"amount": 807398, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrentAndNoncurrent | {"amount": 968988, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccruedLiabilitiesCurrentAndNoncurrent | {"amount": 972671, "currency": "USD"} | 2010-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 528968, "currency": "USD"} | 2012-03-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 397793, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 543073, "currency": "USD"} | 2011-09-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": 543063, "currency": "USD"} | 2011-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossNetOfTax | {"amount": -383669, "currency": "USD"} | 2010-12-31 | sec_edgar |