Summary of Significant Accounting Policies (Details 2) (USD $)	11 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Jan. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 285,042,000	$ 228,980,000	$ 234,405,000	$ 253,324,000
Discontinued operations	(2,203,000)		1,844,000	(4,564,000)
Equity in earnings	(107,825,000)		(90,032,000)	(85,798,000)
Income tax benefit	12,266,000	(12,430,000)	(17,196,000)	(13,921,000)
Noncontrolling interest	(71,525,000)		(13,475,000)	(1,251,000)
Loss reclassified from accumulated OCI	(3,642,000)		(3,806,000)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	6,258,000		2,523,000
Discontinued operations			3,666,000
Equity in earnings	82,000		59,000
Total before income tax and noncontrolling interest	6,340,000		6,248,000
Income tax benefit	(2,460,000)		(2,412,000)
Noncontrolling interest	(16,000)		(30,000)
Loss reclassified from accumulated OCI	$ 3,864,000		$ 3,806,000