Fair Values of Financial Instruments (Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Assets, carrying amount
Cash and cash equivalents	$ 24,269	$ 29,575	$ 28,734	$ 25,285
FHLB stock, carrying amount	9,810	11,964
Interest receivable, carrying amount	4,054	3,730
Loans held for sale, carrying amount	12,486	6,140
Loans net, carrying amount	1,026,717	1,003,518
Liabilities, carrying amount
Deposits, carrying amount	1,078,287	1,079,320
FHLB advances, carrying amount	212,042	192,442
Other borrowings, carrying amount	9,816	10,174
Interest payable, carrying amount	248	223
Assets
Cash and cash equivalents	24,269	29,575
FHLB stock, fair value	9,810	11,964
Interest receivable, fair value	4,054	3,730
Loans held for sale, fair value	12,541	6,220
Loans, fair value	1,019,952	1,006,233
Liabilities, fair value
Deposits, fair value	1,078,926	1,050,295
FHLB advances, fair value	211,706	191,995
Other borrowings, fair value	9,868	10,283
Interest payable, fair value	248	223
Fair Value, Inputs, Level 1 [Member]
Assets
Cash and cash equivalents	24,269	29,575
Liabilities, fair value
Deposits, fair value	711,204	648,314
Fair Value, Inputs, Level 2 [Member]
Assets
FHLB stock, fair value	9,810	11,964
Interest receivable, fair value	4,054	3,730
Loans held for sale, fair value	12,541	6,220
Liabilities, fair value
FHLB advances, fair value	211,706	191,995
Other borrowings, fair value	9,868	10,283
Interest payable, fair value	248	223
Fair Value, Inputs, Level 3 [Member]
Assets
Loans, fair value	1,019,952	1,006,233
Liabilities, fair value
Deposits, fair value	$ 367,722	$ 401,981