Derivative Financial Instruments - Interest Rate Swap Swap impact on the Consolidated Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on interest rate swap	$ 124	$ (263)	$ (133)	$ 301
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	(290)	(286)	(858)	(845)
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on interest rate swap	124	(263)	(133)	301
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	290	286	858	845
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	$ 0	$ 0	$ 0	$ 0