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Fair Value of Assets and Liabilities (Details) (USD $)	3 Months Ended
Fair Value of Assets and Liabilities (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2015	Dec. 31, 2014
Available-for-sale: [Abstract]
Total available-for-sale securities		$ 405,523,000	$ 377,856,000
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	191,000		241,000
Transfers into Level 3	0
Transfers out of Level 3	0
Total gains or losses [Abstract]
Included in net income	0
Included in other comprehensive income	50,000
Purchases, issuances, sales and settlements [Abstract]
Purchases	0
Issuances	0
Sales	0
Settlements	0
Ending Balance			241,000
Total gains or losses for the period included in net income attributable to the change in unrealized gains or losses related to assets and liabilities still held at the reporting date	0
Impaired Loans Receivable [Abstract]
Carrying amount of loans with a specific allowance		2,111,000	4,261,000
Fair value of loans with a specific allowance		1,546,000	1,407,000
Specific Allowance		625,000	263,000
Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		405,523,000	377,856,000
Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		54,000	55,000
Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		403,303,000	377,437,000
Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		2,166,000	364,000
Fair Value, Measurements, Nonrecurring [Member]
Impaired Loans Receivable [Abstract]
Carrying amount of loans with a specific allowance		1,165,000
Fair value of loans with a specific allowance		583,000
Specific Allowance		582,000
U.S. Treasury securities and obligations of U.S. government corporations & agencies
Available-for-sale: [Abstract]
Total available-for-sale securities		125,245,000	99,957,000
U.S. Treasury securities and obligations of U.S. government corporations & agencies \| Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		125,245,000	99,957,000
U.S. Treasury securities and obligations of U.S. government corporations & agencies \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
U.S. Treasury securities and obligations of U.S. government corporations & agencies \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		125,245,000	99,957,000
U.S. Treasury securities and obligations of U.S. government corporations & agencies \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Obligations of states and political subdivisions
Available-for-sale: [Abstract]
Total available-for-sale securities		80,803,000	78,084,000
Obligations of states and political subdivisions \| Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		80,803,000	78,084,000
Obligations of states and political subdivisions \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Obligations of states and political subdivisions \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		80,803,000	78,084,000
Obligations of states and political subdivisions \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Mortgage-backed Securities [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		193,250,000	195,401,000
Mortgage-backed Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		193,250,000	195,401,000
Mortgage-backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Mortgage-backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		193,250,000	195,401,000
Mortgage-backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Trust preferred securities
Available-for-sale: [Abstract]
Total available-for-sale securities		2,166,000	364,000
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		364,000
Transfers into Level 3		0
Transfers out of Level 3		0
Total gains or losses [Abstract]
Included in net income		0
Included in other comprehensive income		1,847,000
Purchases, issuances, sales and settlements [Abstract]
Purchases		0
Issuances		0
Sales		0
Settlements		(45,000)
Ending Balance		2,166,000
Total gains or losses for the period included in net income attributable to the change in unrealized gains or losses related to assets and liabilities still held at the reporting date		0
Trust preferred securities \| Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		2,166,000	364,000
Trust preferred securities \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Trust preferred securities \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		0	0
Trust preferred securities \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		2,166,000	364,000
Other securities
Available-for-sale: [Abstract]
Total available-for-sale securities		4,059,000	4,050,000
Other securities \| Fair Value, Measurements, Recurring [Member]
Available-for-sale: [Abstract]
Total available-for-sale securities		4,059,000	4,050,000
Other securities \| Fair Value, Measurements, Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale: [Abstract]
Total available-for-sale securities		54,000	55,000
Other securities \| Fair Value, Measurements, Recurring [Member] \| Significant Other Observable Inputs (Level 2)
Available-for-sale: [Abstract]
Total available-for-sale securities		4,005,000	3,995,000
Other securities \| Fair Value, Measurements, Recurring [Member] \| Significant Unobservable Inputs (Level 3)
Available-for-sale: [Abstract]
Total available-for-sale securities		$ 0	$ 0