Investments (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 Security	Mar. 31, 2014	Dec. 31, 2014
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	$ 285,998,000		$ 301,459,000
Gross Unrealized Gains	6,098,000		5,603,000
Gross Unrealized Losses	(192,000)		(916,000)
Fair Value	291,904,000		306,146,000
Number of securities owned with fair value than cost	25
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	8,715,000		36,508,000
Twelve Months or Greater, Fair Value	32,565,000		67,011,000
Total, Fair Value	41,280,000		103,519,000
Less than Twelve Months, Gross Unrealized Losses	(47,000)		(134,000)
Twelve Months or Greater, Gross Unrealized Losses	(145,000)		(782,000)
Total, Gross Unrealized Losses	(192,000)		(916,000)
Duration securities impaired, Minimum	1 year
Proceeds from sale of securities available-for-sale	14,623,000	5,556,000
Realized investment gains (losses) [Abstract]
Gross gains	137,000	171,000
Gross losses	(11,000)	0
Net gains	126,000	171,000
Investment securities pledged as collateral	164,000,000		186,400,000
Amortized Cost [Abstract]
Due in one year or less	7,878,000
Due after one year through five years	142,286,000
Due after five years through ten years	41,437,000
Due after ten years	93,260,000
Total	284,861,000
Fair Value [Abstract]
Due in one year or less	7,980,000
Due after one year through five years	143,869,000
Due after five years through ten years	42,645,000
Due after ten years	95,793,000
Total	290,287,000
U.S. Agency Securities [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	142,719,000		150,847,000
Gross Unrealized Gains	1,185,000		638,000
Gross Unrealized Losses	(65,000)		(600,000)
Fair Value	143,839,000		150,885,000
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	5,365,000		27,382,000
Twelve Months or Greater, Fair Value	22,029,000		43,642,000
Total, Fair Value	27,394,000		71,024,000
Less than Twelve Months, Gross Unrealized Losses	(4,000)		(110,000)
Twelve Months or Greater, Gross Unrealized Losses	(61,000)		(490,000)
Total, Gross Unrealized Losses	(65,000)		(600,000)
US Treasury Securities [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost			4,944,000
Gross Unrealized Gains			0
Gross Unrealized Losses			(95,000)
Fair Value			4,849,000
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	0		0
Twelve Months or Greater, Fair Value	0		4,849,000
Total, Fair Value	0		4,849,000
Less than Twelve Months, Gross Unrealized Losses	0		0
Twelve Months or Greater, Gross Unrealized Losses	0		(95,000)
Total, Gross Unrealized Losses	0		(95,000)
Obligations of State and Political Subdivisions [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	101,686,000		101,281,000
Gross Unrealized Gains	3,825,000		3,854,000
Gross Unrealized Losses	(75,000)		(99,000)
Fair Value	105,436,000		105,036,000
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	2,243,000		3,596,000
Twelve Months or Greater, Fair Value	5,773,000		8,584,000
Total, Fair Value	8,016,000		12,180,000
Less than Twelve Months, Gross Unrealized Losses	(28,000)		(19,000)
Twelve Months or Greater, Gross Unrealized Losses	(47,000)		(80,000)
Total, Gross Unrealized Losses	(75,000)		(99,000)
Corporate Obligations [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	12,783,000		13,853,000
Gross Unrealized Gains	177,000		190,000
Gross Unrealized Losses	(25,000)		(85,000)
Fair Value	12,935,000		13,958,000
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	0		505,000
Twelve Months or Greater, Fair Value	4,484,000		7,707,000
Total, Fair Value	4,484,000		8,212,000
Less than Twelve Months, Gross Unrealized Losses	0		(1,000)
Twelve Months or Greater, Gross Unrealized Losses	(25,000)		(84,000)
Total, Gross Unrealized Losses	(25,000)		(85,000)
Mortgage-backed Securities in Government Sponsored Entities [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	27,673,000		29,397,000
Gross Unrealized Gains	431,000		368,000
Gross Unrealized Losses	(27,000)		(37,000)
Fair Value	28,077,000		29,728,000
Available-For-Sale Securities, Fair Value and Gross Unrealized Losses [Abstract]
Less than Twelve Months, Fair Value	1,107,000		5,025,000
Twelve Months or Greater, Fair Value	279,000		2,229,000
Total, Fair Value	1,386,000		7,254,000
Less than Twelve Months, Gross Unrealized Losses	(15,000)		(4,000)
Twelve Months or Greater, Gross Unrealized Losses	(12,000)		(33,000)
Total, Gross Unrealized Losses	(27,000)		(37,000)
Equity Securities in Financial Institutions [Member]
Available for Sale Securities Amortized Cost, Gross Unrealized Gains or Losses and Fair Value [Abstract]
Amortized Cost	1,137,000		1,137,000
Gross Unrealized Gains	480,000		553,000
Gross Unrealized Losses	0		0
Fair Value	$ 1,617,000		$ 1,690,000