Interest Rate Derivative Agreements Footnote Tagging (Details) (USD $)	12 Months Ended				9 Months Ended	12 Months Ended
	Dec. 31, 2013 derivatives	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2012 Barclays Bank PLC, Bank of New York Mellon, and Royal Bank of Canada [Member]	Sep. 30, 2013 Deutsche Bank [Member]	Dec. 31, 2013 Deutsche Bank [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount				$ 31,900,000	$ 93,300,000
Derivative, Maturity Date at a point in time					Sep. 01, 2017	Sep. 01, 2017
Number of Derivatives	4
Derivative, Fixed Interest Rate			3.00%	3.00%	1.50%	1.50%
Derivative, Collateral, Right to Reclaim Cash	500,000
Deriviative at purchase price					800,000	793,000
effective rate - maximum				4.90%
Derivative, Loss on Derivative	284,000	900,000,000
Derivative Asset, Fair Value, Gross Asset	$ 888,000	$ 379,000,000