Regulatory (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Regulatory Assets
Total stockholders' equity	$ 102,366		$ 99,783
AOCI Losses (Gains)	(54)	$ 12	251	$ 300	$ 100	$ 378
Common equity Tier 1 capital	102,312		100,034
TRUPs	12,000		12,000
Tier 1 capital	114,312		112,034
Allowable reserve for credit losses and other Tier 2 adjustments	9,106		8,540
Subordinated notes	23,000		23,000
Tier 2 capital	146,418		143,574
Risk-weighted assets ("RWA")	1,022,208		984,614
Average Assets ("AA")	$ 1,211,618		$ 1,118,843
Common Tier 1 capital to RWA, 2019 Regulatory Min. Ratio + CCB	7.00%
Tier 1 capital to RWA, 2019 Regulatory Min. Ratio + CCB	8.50%
Tier 2 capital to RWA, 2019 Regulatory Min. Ratio + CCB	10.50%
Common Tier 1 capital to RWA	10.01%		10.16%
Tier 1 capital to RWA	11.18%		11.38%
Tier 2 capital to RWA	14.32%		14.58%
Tier 1 capital to AA (leverage)	9.43%		10.01%
Common Stock [Member]
Regulatory Assets
Total stockholders' equity	$ 102,366		$ 99,783
Bank [Member]
Regulatory Assets
Total stockholders' equity	133,802		132,571
AOCI Losses (Gains)	(54)		251
Common equity Tier 1 capital	133,748		132,822
Tier 1 capital	133,748		132,822
Allowable reserve for credit losses and other Tier 2 adjustments	9,106		8,540
Tier 2 capital	142,854		141,362
Risk-weighted assets ("RWA")	1,019,246		982,347
Average Assets ("AA")	$ 1,208,718		$ 1,116,576
Common Tier 1 capital to RWA	13.12%		13.52%
Tier 1 capital to RWA	13.12%		13.52%
Tier 2 capital to RWA	14.02%		14.39%
Tier 1 capital to AA (leverage)	11.07%		11.90%
Bank [Member] | Common Stock [Member]
Regulatory Assets
Total stockholders' equity	$ 133,802		$ 132,571