Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details 2) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 30,433		$ 7,101
Other real estate owned	1,665		4,863
Other real estate owned, adjustment	530	$ 141
Level 3 [Member]
Assets Measured on a Nonrecurring Basis:
Other real estate owned	1,665		$ 4,863
Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis:
Impaired loans	19,846	1,751
Impaired loans, adjustment	2,462	873
Other real estate owned	1,665	1,820
Other real estate owned, adjustment	155	141
Nonrecurring [Member] | Level 3 [Member]
Assets Measured on a Nonrecurring Basis:
Impaired loans	19,846	1,751
Other real estate owned	$ 1,665	$ 1,820