Other Real Estate Owned, Major Classifications of Foreclosed Properties (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	$ 37,665	$ 37,740	$ 40,674	$ 34,654	$ 36,698	$ 36,776
1-4 Family [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	6,793		7,493
Agricultural/Farmland [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	93		116
Construction/Land Development/Other [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	21,372		22,570
Multifamily [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	270		833
Non-farm/Non-residential [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	$ 9,137		$ 9,662