FDIC Indemnification Asset - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 15, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
F D I C Indemnification Asset [Abstract]
FDIC loss-share agreement covered loans and other real estate losses	80.00%
FDIC true-up payable		$ 2,600	$ 2,500
Amortization of the FDIC indemnification asset		(550)	(2,583)	$ (2,074)
Increase (Reduction) of FDIC indemnification asset included in other income, net		$ 180	$ (929)	$ (800)