Interest Rate Swaps (Details) (USD $)	Mar. 19, 2008 Interest Rate Swap [Member] Variable Rate Debt Through March Two Thousand Eleven [Member]	Mar. 19, 2008 Interest Rate Swap [Member] Variable Rate Debt Through March Two Thousand Thirteen [Member]	Jun. 23, 2008 Interest Rate Swap [Member] Variable Rate Debt Through June Two Thousand Eleven [Member]	Jun. 23, 2008 Interest Rate Swap [Member] Variable Rate Debt Through June Two Thousand Thirteen [Member]	Jun. 23, 2008 Interest Rate Swap [Member]	Mar. 19, 2008 Interest Rate Swap [Member]	Mar. 31, 2013 Maturity of Interest Rate Swap [Member]	Mar. 31, 2013 Swaps Matured On Loan R X0583 T1 [Member]	Mar. 31, 2013 Swaps Matured On Loan R X0584 T1 [Member]	Jun. 30, 2013 Swaps Matured On Loan R X0583 T2 [Member]
Interest Rate Swaps (Details) [Line Items]
Derivative Liability, Notional Amount					$ 6,000,000	$ 39,000,000	$ 33,000,000	$ 11,250,000	$ 21,750,000	$ 3,000,000
Long-term Debt, Gross	$ 6,000,000	$ 33,000,000	$ 3,000,000	$ 3,000,000