Financial Derivative Instruments (Details) (USD $)				3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member]	Dec. 31, 2013 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member]	Mar. 31, 2014 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member] Interest Expense [Member]	Mar. 31, 2013 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member] Interest Expense [Member]	Mar. 31, 2014 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member] Other Comprehensive Income (Loss) [Member]	Mar. 31, 2013 Interest Rate Derivatives [Member] Designated as Hedging Instrument [Member] Other Comprehensive Income (Loss) [Member]	Mar. 31, 2014 Interest Rate Swap September 2014 [Member] Cash Flow Hedging [Member]	Mar. 31, 2014 Interest Rate Swap March 2015 [Member] Cash Flow Hedging [Member]	Mar. 31, 2014 Interest Rate Swap September 2015 [Member] Cash Flow Hedging [Member]
Financial Derivative Instruments [Abstract]
Estimated amount expected to be reclassified from accumulated other comprehensive income to income	$ 96,000
Interest-Rate Swap Agreement [Line Items]
Coverage Amount								24,000,000	24,000,000	24,000,000
Variable Interest Rate (in hundredths)								1.66%	1.91%	2.14%
Derivatives, Fair Value [Line Items]
Derivative Liabilities		1,182,000	1,426,000
Losses recognized on effective portion of derivative instruments						53,000	26,000
Losses reclassified from accumulated other comprehensive income into income				32,000	21,000
Losses recognized in income on ineffective portion and excluded from effectiveness testing				$ 0	$ 7,000