Investment Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Amortized Cost
One Year or Less	$ 840
More than One Year to Five Years	25,480
More than Five Years to Ten Years	70,799
More than Ten Years	192,874
Total	289,993	$ 200,758	$ 282,059
Fair Value
One Year or Less	843
More than One Year to Five Years	25,605
More than Five Years to Ten Years	71,372
More than Ten Years	193,327
Total	291,147	201,638	282,202
Municipal bonds
Amortized Cost
One Year or Less	840
More than One Year to Five Years	25,480
More than Five Years to Ten Years	45,233
More than Ten Years	57,511
Total	129,064	88,599	97,358
Fair Value
One Year or Less	843
More than One Year to Five Years	25,605
More than Five Years to Ten Years	45,628
More than Ten Years	57,928
Total	130,004	89,661	98,585
Mortgage-backed securities
Amortized Cost
One Year or Less	0
More than One Year to Five Years	0
More than Five Years to Ten Years	25,566
More than Ten Years	135,363
Total	160,929	112,159	184,701
Fair Value
One Year or Less	0
More than One Year to Five Years	0
More than Five Years to Ten Years	25,744
More than Ten Years	135,399
Total	$ 161,143	$ 111,977	$ 183,617