Income Taxes Reconciliation of the Change in Net Deferred Tax Assets to Deferred Tax Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income Tax Disclosure [Abstract] | |||
| Change in net deferred tax assets | $ 1,419 | $ (970) | $ (119) |
| Deferred taxes allocated to other comprehensive income | (311) | (188) | 352 |
| Deferred Tax Assets Acquired in Business Acquisitions | 0 | 0 | (1,622) |
| Deferred income tax benefit (expense) | $ 1,108 | $ (1,158) | $ (1,389) |