ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - Predecessor Company - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
	Apr. 30, 2014	Dec. 31, 2013
Components of changes in accumulated other comprehensive income (loss)
Beginning balance	$ (15,652)	$ (70,226)
Other comprehensive income (loss):
Other comprehensive loss before reclassifications	(8,056)	38,811
Amounts reclassified from accumulated other comprehensive loss	(2,639)	15,763
Total other comprehensive income (loss)	(10,695)	54,574
Ending balance	(26,347)	(15,652)
Impairment charge for investments which were determined to be other-than-temporary	4,400	19,500
Net unrealized gains on available-for-sale securities
Components of changes in accumulated other comprehensive income (loss)
Beginning balance	23,567	17,472
Other comprehensive income (loss):
Other comprehensive loss before reclassifications	(2,614)	(9,668)
Amounts reclassified from accumulated other comprehensive loss	(2,639)	15,763
Total other comprehensive income (loss)	(5,253)	6,095
Ending balance	18,314	23,567
Net unrealized losses on cash flow hedges
Components of changes in accumulated other comprehensive income (loss)
Beginning balance	(39,219)	(87,698)
Other comprehensive income (loss):
Other comprehensive loss before reclassifications	(5,442)	48,479
Amounts reclassified from accumulated other comprehensive loss	0	0
Total other comprehensive income (loss)	(5,442)	48,479
Ending balance	$ (44,661)	$ (39,219)