Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 44,993	$ 7,101
Other real estate owned	12,122	4,863
Other real estate owned, adjustment	530	141
Level 3 [Member]
Assets Measured on a Nonrecurring Basis:
Other real estate owned	12,122	4,863
Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis:
Impaired loans	32,988	1,277
Impaired loans, adjustment	14,581	160
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	32,988	1,277
Other real estate owned	$ 1,665	$ 1,820