Fair Value Measurements on a Non-Recurring Basis (Details) - Non-Recurring Measurements - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets with a recorded change resulting from re-measuring at fair value on a non-recurring basis
Other real estate owned	$ 744	$ 7,609
Collateral-dependent impaired loans, net of ALLL	5,381	12,938
Total assets measured at fair value on a non-recurring basis	6,125	20,547
Level 1
Assets with a recorded change resulting from re-measuring at fair value on a non-recurring basis
Other real estate owned	0	0
Collateral-dependent impaired loans, net of ALLL	0	0
Total assets measured at fair value on a non-recurring basis	0	0
Level 2
Assets with a recorded change resulting from re-measuring at fair value on a non-recurring basis
Other real estate owned	0	0
Collateral-dependent impaired loans, net of ALLL	0	0
Total assets measured at fair value on a non-recurring basis	0	0
Level 3
Assets with a recorded change resulting from re-measuring at fair value on a non-recurring basis
Other real estate owned	744	7,609
Collateral-dependent impaired loans, net of ALLL	5,381	12,938
Total assets measured at fair value on a non-recurring basis	$ 6,125	$ 20,547