Investment Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Amortized Cost
One Year or Less	$ 462
More than One Year to Five Years	21,627
More than Five Years to Ten Years	70,322
More than Ten Years	188,745
Total	281,156	$ 200,758	$ 235,154
Fair Value
One Year or Less	465
More than One Year to Five Years	21,554
More than Five Years to Ten Years	70,439
More than Ten Years	187,976
Total	280,434	201,638	235,116
Municipal bonds
Amortized Cost
One Year or Less	462
More than One Year to Five Years	21,627
More than Five Years to Ten Years	45,981
More than Ten Years	52,322
Total	120,392	88,599	84,576
Fair Value
One Year or Less	465
More than One Year to Five Years	21,554
More than Five Years to Ten Years	46,111
More than Ten Years	52,301
Total	120,431	89,661	85,433
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	24,341
More than Ten Years	136,423
Total	160,764	112,159	150,578
Fair Value
One Year or Less	0
More than One Year to Five Years	0
More than Five Years to Ten Years	24,328
More than Ten Years	135,675
Total	$ 160,003	$ 111,977	$ 149,683