Goodwill and Intangible Assets Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Abstract]
Gross	$ 59,402	$ 59,402
Accumulated Amortization	(59,402)	(59,155)
Net	0	247
Indefinite-Lived Intangible Assets [Abstract]
Gross	963	963
Write-off	0	0
Net	963	963
Intangible Assets, Net [Abstract]
Gross	60,365	60,365
Accumulated Amortization	(59,402)	(59,155)
Net	963	1,210
Intangible amortization	247	1,259	$ 2,438
Core deposit
Finite-Lived Intangible Assets [Abstract]
Gross	50,279	50,279
Accumulated Amortization	(50,279)	(50,054)
Net	0	225
Other
Finite-Lived Intangible Assets [Abstract]
Gross	9,123	9,123
Accumulated Amortization	(9,123)	(9,101)
Net	$ 0	$ 22