Notes and Accounts Receivable Net (Details Textual) (Stapleton advances [Member], USD $) In Thousands, unless otherwise specified	11 Months Ended	12 Months Ended
	Dec. 31, 2013	Jan. 31, 2013	Jan. 31, 2012
Stapleton advances [Member]
Notes and Accounts Receivable, Net (Textual) [Abstract]
Interest income related to infrastructure advances	$ 10,047	$ 7,893	$ 6,439
Weighted average interest rate	8.66%