FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Liabilities:
Senior notes	$ 413,394	$ 414,524
Junior subordinated notes	248,160	246,907
Successor Company | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash, restricted cash, and cash equivalents	837,662	610,912
Liabilities:
Senior notes	400,036	413,215
Successor Company | Significant Unobservable Inputs (Level 3)
Liabilities:
Junior subordinated notes	214,190	228,087
Successor Company | Carrying Amount
Assets:
Cash, restricted cash, and cash equivalents	837,662	610,912
Liabilities:
Senior notes	413,394	414,524
Junior subordinated notes	248,160	246,907
Successor Company | Estimated Fair Value
Assets:
Cash, restricted cash, and cash equivalents	837,662	610,912
Liabilities:
Senior notes	400,036	413,215
Junior subordinated notes	$ 214,190	$ 228,087