Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014		Dec. 31, 2013
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$ 19,280	$ 22,699	$ 29,272	[1]
Interest-bearing deposits in other banks	46,637	58,278	38,031	[1]
Cash and Cash Equivalents	65,917	80,977	$ 67,303		$ 67,681
Cash paid for:
Interest on deposits and borrowed funds	4,341	4,345
Income taxes	2,950	3,211
Noncash investing and financing activities:
Transfer of loans to other real estate owned	926	386
Unrealized gain (loss) on securities available for sale	(582)	3,384
Assets acquired:
Investment securities	18,800	0
Restricted stock	587	0
Loans	115,050	0
Premises and equipment	1,030	0
Deferred income taxes	2,773	0
Core deposit intangible	1,839	0
Other real estate owned	168	0
Bank owned life insurance	1,955	0
Other assets	1,077	0
Liabilities assumed:
Deposits	137,323	0
Other liabilities	3,001	0
Consideration:
Issuance of common stock	$ 20,483	$ 0

[1] Derived from audited consolidated financial statements.