Investment in Unconsolidated Entities (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended			9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
HSRE and DCV Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	$ 30,811	$ 23,422	$ 17,934
Expenses:
Operating expenses	21,846	17,434	9,665
Interest expense	7,577	5,025	4,962
Depreciation and amortization	11,091	6,304	4,807
Total expenses	40,514	28,763	19,434
Net loss	(9,703)	(5,341)	(1,500)
Copper Beech [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	83,108			67,545
Expenses:
Operating expenses	34,525			28,316
Interest expense	13,152			11,852
Depreciation and amortization	35,827			56,106
Total expenses	83,504			96,274
Net loss	$ (396)			$ (28,729)