Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Activity for other real estate owned [Roll Forward]
Beginning balance of other real estate owned	$ 36,698	$ 33,062	$ 36,776	$ 39,188
New assets acquired	3,725	1,803	9,986	5,267
Capitalized costs	0	0	85	0
Fair value adjustments	(784)	(241)	(1,146)	(1,402)
Sale of assets	(4,985)	(1,877)	(11,047)	(10,306)
Ending balance of other real estate owned	34,654	32,747	34,654	32,747
Carrying cost and fair value adjustments for foreclosed properties	$ 1,300	$ 700	$ 2,500	$ 2,900