FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Liabilities:
Senior notes	$ 413,006	$ 414,524
Junior subordinated notes	248,498	246,907
Successor Company | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash, restricted cash, and cash equivalents	807,496	610,912
Liabilities:
Senior notes	394,390	413,215
Junior subordinated notes	0	0
Successor Company | Significant Other Observable Inputs (Level 2)
Assets:
Cash, restricted cash, and cash equivalents	0	0
Liabilities:
Senior notes	0	0
Junior subordinated notes	0	0
Successor Company | Significant Unobservable Inputs (Level 3)
Assets:
Cash, restricted cash, and cash equivalents	0	0
Liabilities:
Senior notes	0	0
Junior subordinated notes	216,757	228,087
Successor Company | Carrying Amount
Assets:
Cash, restricted cash, and cash equivalents	807,496	610,912
Liabilities:
Senior notes	413,006	414,524
Junior subordinated notes	248,498	246,907
Successor Company | Estimated Fair Value
Assets:
Cash, restricted cash, and cash equivalents	807,496	610,912
Liabilities:
Senior notes	394,390	413,215
Junior subordinated notes	$ 216,757	$ 228,087