Basis of Presentation - Narrative (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Non-cash Activity, Increase (Decrease) in Performance Guarantees	$ 21,332,000	$ 24,202,000
Derivative, Notional Amount	100,000,000
As Reported
Total		(64,515,000)
Reclassifications
Total		0
Adjusted
Total		$ (64,515,000)
Notes Payable to Banks [Member] | Institutional Group Two [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.11%
London Interbank Offered Rate (LIBOR) [Member] | Notes Payable to Banks [Member] | Institutional Group Two [Member]
Derivative, Variable Interest Rate	4.15%