Summary of Significant Accounting Policies 3 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
RSA/RSU, Grants in Period, Gross	18,002	19,377	14,054
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 723	$ (875)
Gain (Loss) on Sale of Securities, Net	452	715	$ 2,293
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax	(176)	(279)	(894)
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	276	436	$ 1,399
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized gains on securities available-for-sale	3,243	2,829
Held-to-maturity Securities, Unrecognized Holding Loss	(834)	(1,328)
Other than Temporary Impairment Loss, Investments, Portion in Other Comprehensive Loss, before Tax, Portion Attributable to Parent, Available-for-sale Securities	(1,224)
Unrealized gain (loss) on available-for-sale securities, tax benefit	(939)	(586)
Accumulated Other Comprehensive Income (Loss), Unrealized Gain (Loss) On Securities, Net Of Tax	1,470	915
Securities with other-than-temporary impairment losses		(2,936)
Securities with other-than-temporary impairment losses, tax benefit	477	1,146
Total securities with other-than-temporary impairment losses, net of tax	(747)	(1,790)
Accumulated other comprehensive income, tax	$ (462)	$ 560