SCHEDULE IV - REINSURANCE (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Life insurance in-force
Gross Amount		$ 727,705,256	$ 751,512,468	$ 739,248,680
Ceded to Other Companies		(368,142,294)	(328,377,398)	(348,994,650)
Assumed from Other Companies		39,546,742	110,205,190	116,265,430
Net Amount		$ 399,109,704	$ 533,340,260	$ 506,519,460
Percentage of Amount Assumed to Net		9.90%	21.00%	23.00%
Premiums and policy fees:
Gross Amount		$ 2,659,386	$ 2,996,646	$ 2,911,275
Ceded to Other Companies		(1,174,871)	(1,367,096)	(1,330,723)
Assumed from Other Companies		333,436	459,716	478,144
Net Amount		1,817,951	2,089,266	2,058,696
Life insurance
Premiums and policy fees:
Gross Amount		2,360,643	2,655,846	2,610,682
Ceded to Other Companies		(1,058,706)	(1,230,258)	(1,207,159)
Assumed from Other Companies		308,280	435,113	454,999
Net Amount		$ 1,610,217	$ 1,860,701	$ 1,858,522
Percentage of Amount Assumed to Net		19.10%	23.40%	24.50%
Annuity policy fees		$ 77,200	$ 173,500	$ 80,100
Accident/health insurance
Premiums and policy fees:
Gross Amount		70,243	51,991	58,076
Ceded to Other Companies		(36,871)	(33,052)	(36,935)
Assumed from Other Companies		18,252	14,946	17,439
Net Amount		$ 51,624	$ 33,885	$ 38,580
Percentage of Amount Assumed to Net		35.40%	44.10%	45.20%
Property and liability insurance
Premiums and policy fees:
Gross Amount		$ 228,500	$ 288,809	$ 242,517
Ceded to Other Companies		(79,294)	(103,786)	(86,629)
Assumed from Other Companies		6,904	9,657	5,706
Net Amount		$ 156,110	$ 194,680	$ 161,594
Percentage of Amount Assumed to Net		4.40%	5.00%	3.50%
Predecessor
Premiums and policy fees:
Gross Amount	$ 229,506
Ceded to Other Companies	(91,632)
Assumed from Other Companies	31,076
Net Amount	168,950
Predecessor | Life insurance
Premiums and policy fees:
Gross Amount	204,185
Ceded to Other Companies	(80,657)
Assumed from Other Companies	28,601
Net Amount	$ 152,129
Percentage of Amount Assumed to Net	18.80%
Annuity policy fees	$ 7,700
Predecessor | Accident/health insurance
Premiums and policy fees:
Gross Amount	6,846
Ceded to Other Companies	(4,621)
Assumed from Other Companies	1,809
Net Amount	$ 4,034
Percentage of Amount Assumed to Net	44.80%
Predecessor | Property and liability insurance
Premiums and policy fees:
Gross Amount	$ 18,475
Ceded to Other Companies	(6,354)
Assumed from Other Companies	666
Net Amount	$ 12,787
Percentage of Amount Assumed to Net	5.20%