Fair Value Measurements on a Non-Recurring Basis (Details) (Nonrecurring Measurements, USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets with a recorded change from re-measuring at fair value on a non-recurring basis
Other real estate owned	$ 3,000	$ 10,888
Collateral-dependent impaired loans, net of ALLL	15,480	18,670
Total assets measured at fair value on a non-recurring basis	18,480	29,558
Level 1
Assets with a recorded change 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 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 from re-measuring at fair value on a non-recurring basis
Other real estate owned	3,000	10,888
Collateral-dependent impaired loans, net of ALLL	15,480	18,670
Total assets measured at fair value on a non-recurring basis	$ 18,480	$ 29,558