Securities - Summary of Securities that had Unrealized Losses (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	$ 30,054	$ 29,263
Less than 12 Months, Aggregate Losses	(123)	(119)
Twelve Months or Longer, Fair Value	25,475	78,352
12 months or greater, Aggregate Losses	(401)	(1,345)
Total, Fair Value	55,529	107,615
Total Aggregate Losses	(524)	(1,464)
U.S. Government agencies and corporations
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	19,410	0
Less than 12 Months, Aggregate Losses	(90)	0
Twelve Months or Longer, Fair Value	4,926	43,865
12 months or greater, Aggregate Losses	(73)	(634)
Total, Fair Value	24,336	43,865
Total Aggregate Losses	(163)	(634)
Mortgage backed securities: residential
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	8,719	9,472
Less than 12 Months, Aggregate Losses	(28)	(30)
Twelve Months or Longer, Fair Value	18,279	26,493
12 months or greater, Aggregate Losses	(296)	(449)
Total, Fair Value	26,998	35,965
Total Aggregate Losses	(324)	(479)
Residential collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value		18,414
Less than 12 Months, Aggregate Losses		(81)
Twelve Months or Longer, Fair Value		3,899
12 months or greater, Aggregate Losses		(139)
Total, Fair Value		22,313
Total Aggregate Losses		(220)
State and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	1,925	1,377
Less than 12 Months, Aggregate Losses	(5)	(8)
Twelve Months or Longer, Fair Value	2,270	4,095
12 months or greater, Aggregate Losses	(32)	(123)
Total, Fair Value	4,195	5,472
Total Aggregate Losses	$ (37)	$ (131)