Commitments and Contingencies (Swapped Variable Cost for Fixed Cost and Terms of Interest Rate Swap Agreements) (Details) (Interest rate swaps, USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Derivative [Line Items]
Derivative, Number of Instruments Held	5
Notional Amount	$ 43,000,000		$ 43,000,000
Derivative, Fair Value, Net	(9,143,000)	[1]	(3,912,000)	[1]
Contract, One
Derivative [Line Items]
Notional Amount	10,000,000
Trade Date	Mar. 18, 2009
Maturity Date	Jun. 30, 2021
Fixed Rate Paid	5.09%
Derivative, Fair Value, Net	(1,092,000)	[1]	(807,000)	[1]
Contract, Two
Derivative [Line Items]
Notional Amount	10,000,000
Trade Date	Jul. 08, 2009
Maturity Date	Jun. 30, 2029
Fixed Rate Paid	5.84%
Derivative, Fair Value, Net	(2,511,000)	[1]	(1,121,000)	[1]
Contract, Three
Derivative [Line Items]
Notional Amount	10,000,000
Trade Date	May 06, 2010
Maturity Date	Jun. 30, 2030
Fixed Rate Paid	5.71%
Derivative, Fair Value, Net	(2,434,000)	[1]	(944,000)	[1]
Contract, Four
Derivative [Line Items]
Notional Amount	5,000,000
Trade Date	Mar. 14, 2011
Maturity Date	Mar. 30, 2031
Fixed Rate Paid	4.35%
Derivative, Fair Value, Net	(1,279,000)	[1]	(493,000)	[1]
Contract, Five
Derivative [Line Items]
Notional Amount	8,000,000
Trade Date	May 04, 2011
Maturity Date	Jul. 07, 2031
Fixed Rate Paid	4.14%
Derivative, Fair Value, Net	$ (1,827,000)	[1]	$ (547,000)	[1]

[1] Presented within accrued interest and other liabilities on the consolidated statements of condition.