Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Activity for other real estate owned [Roll Forward]
Beginning balance of other real estate owned	$ 37,740	$ 36,698	$ 40,674	$ 36,776
New assets acquired	1,008	3,725	4,300	9,986
Capitalized costs	0	0	0	85
Fair value adjustments	(408)	(784)	(632)	(1,146)
Sale of assets	(675)	(4,985)	(6,677)	(11,047)
Ending balance of other real estate owned	37,665	34,654	37,665	34,654
Carrying cost and fair value adjustments for foreclosed properties	$ 900	$ 1,300	$ 1,900	$ 2,500