Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Changes in the FDIC loss-share indemnification asset
Balance at January 1	$ 7,149
Additions through acquisition	(260)
Realized losses in excess of initial estimates on:
Loans	265
OREO	97
Reimbursable expenses	0
Amortization	(797)
Reimbursements received from the FDIC	(2,987)
Termination of FDIC loss share agreements	(3,467)
Balance at December 31	$ 0