Derivative Financial Instruments (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Cash Flow Hedge [Member]
Derivative [Line Items]
Ineffective portion recognized in earnings	$ 0	$ 0	$ 0	$ 0
Fair values of effective portion of hedges reflected in Other Comprehensive Income			(447,000)		$ (479,000)
Fair Value Hedge [Member]
Derivative [Line Items]
Interest rate swaps, notional amount	$ 8,980,000		$ 8,980,000		9,360,000
Average receive rate	1.57%		1.57%
Average pay rate	3.27%		3.27%
Weighted average maturity			17 years
Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member]
Derivative [Line Items]
Interest rate swaps, notional amount	$ 10,000,000		$ 10,000,000		10,000,000
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Interest rate swaps, notional amount	$ 38,000,000		$ 38,000,000
Average receive rate	1.87%		1.87%
Average pay rate	3.64%		3.64%
Weighted average maturity			11 years 6 months
Interest rate derivative assets, fair value	$ 717,000		$ 717,000		618,000
Interest rate derivative liabilities, fair value	$ 717,000		$ 717,000		$ 618,000