FDIC Loss-Share Indemnification Asset (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
FDIC Loss-Share Indemnification Asset [Abstract]
Eligible losses covered (percent)	80.00%
Eligible recoveries covered (percent)	80.00%
Changes in FDIC Loss Share Indemnification Asset [Roll Forward]
Balance at January 1, 2016	$ 7,149
Acquisition of Heritage (valuation adjustment)	(260)
Realized losses in excess of initial estimates on:
Loans	265
OREO	97
Reimbursable expenses	0
Amortization	(756)
Reimbursements received from the FDIC	(1,294)
(Due from)/Due to FDIC	(1,148)
Balance at September 30, 2016	$ 4,053