Other Real Estate Owned, Major Classifications of Foreclosed Properties (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	$ 34,654	$ 36,698	$ 36,776	$ 32,747	$ 33,062	$ 39,188
1-4 Family [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	7,866		10,337
Agricultural/Farmland [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	116		116
Construction/Land Development/Other [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	17,856		18,735
Multifamily [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	838		1,289
Non-farm/Non-residential [Member]
Schedule of Foreclosed Properties [Line Items]
Total foreclosed properties	$ 7,978		$ 6,299