Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016		Dec. 31, 2015
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$ 27,418	$ 26,345	$ 20,268	[1]
Interest-bearing deposits in other banks	67,372	61,186	32,939	[1]
Cash and Cash Equivalents	94,790	87,531	$ 53,207		$ 95,337
Cash paid for:
Interest on deposits and borrowed funds	1,596	1,580
Income taxes	0	0
Noncash investing and financing activities:
Transfer of loans to other real estate owned	(402)	(97)
Unrealized gains on securities available for sale	$ 752	$ 1,856

[1] Derived from audited consolidated financial statements.