v3.3.1.900

Income Taxes - Narrative (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) state | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($)
Income Tax Examination [Line Items] |  |  |  |
Tax credits and other tax benefits from low-income housing tax credit | $ 1,100,000 | $ 1,100,000 | $ 1,100,000 |
Amount recognized as a component of income tax expense related low-income housing tax credit | 300,000 | 200,000 | 200,000 |
Investments related to low-income housing tax credits | 2,300,000 |  | 3,200,000 |
Impairment losses recognized from forfeiture or ineligibility | 0 | 0 | 0 |
Future capital commitments related to low-income housing tax credit investments | $ 300,000 |  |  |
Number of states the company files income tax returns in | state | 9 |  |  |
Unrecognized tax benefits | $ 1,359,000 | 1,884,000 | 1,257,000 | $ 1,148,000
Unrecognized tax benefits that would impact effective tax rate | 900,000 | 1,300,000 | $ 800,000 |
Reduction in unrecognized tax benefit that is reasonably possible due to a lapse of statute of limitations | $ 500,000 |  |  |
Duration of unrecognized tax benefits | 12 months |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
State valuation allowance |  | $ 0 |  |

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