CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2014
Successor
Benefits and settlement expenses, reinsurance ceded		$ 1,022,638	$ 1,176,609
Other operating expenses, reinsurance ceded		$ 196,383	$ 210,270
Predecessor
Benefits and settlement expenses, reinsurance ceded	$ 87,830			$ 1,223,804
Other operating expenses, reinsurance ceded	$ 17,700			$ 199,824