Other Real Estate Owned (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Purchased OREO
Beginning balance	$ 22,416	$ 17,386
Purchased OREO	0	9,972
Transfers of loans	7,935	11,642
Impairments	(1,631)	(1,033)
Dispositions	(11,071)	(15,551)
Other	(279)	0
Ending balance	17,370	22,416
Non Purchased OREO
Beginning balance	12,986	17,086
Purchased OREO	0	0
Transfers of loans	935	3,293
Impairments	(1,484)	(1,486)
Dispositions	(6,458)	(5,873)
Other	(50)	(34)
Ending balance	5,929	12,986
Total OREO
Beginning balance	35,402	34,472
Purchased OREO	0	9,972
Transfers of loans	8,870	14,935
Impairments	(3,115)	(2,519)
Dispositions	(17,529)	(21,424)
Other	(329)	(34)
Ending balance	$ 23,299	$ 35,402