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	$ 0	$ 727,705,256	$ 751,512,468	$ 739,248,680
Amounts ceded to other companies	0	(368,142,294)	(328,377,398)	(348,994,650)
Assumed from Other Companies	0	39,546,742	110,205,190	116,265,430
Net life insurance in-force	$ 0	$ 399,109,704	$ 533,340,260	$ 506,519,460
Percentage of Amount Assumed to Net	0.00%	9.90%	21.00%	23.00%
Premiums and policy fees:
Gross Amount		$ 2,674,614	$ 3,017,685	$ 2,929,767
Ceded to Other Companies		(1,154,978)	(1,360,735)	(1,314,716)
Assumed from Other Companies		333,436	459,734	478,164
Net Amount		1,853,072	2,116,684	2,093,215
Life insurance
Premiums and policy fees:
Gross Amount		2,360,643	2,655,846	2,610,682
Ceded to Other Companies		(983,143)	(1,151,175)	(1,126,915)
Assumed from Other Companies		308,280	435,113	454,999
Net Amount		$ 1,685,780	$ 1,939,784	$ 1,938,766
Percentage of Amount Assumed to Net		18.30%	22.50%	23.50%
Annuity policy fees	$ 13,900	$ 152,800	$ 173,500	$ 160,400
Accident/health insurance
Premiums and policy fees:
Gross Amount		70,243	51,991	58,076
Ceded to Other Companies		(36,871)	(33,051)	(36,935)
Assumed from Other Companies		18,252	14,945	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		$ 243,728	$ 309,848	$ 261,009
Ceded to Other Companies		(134,964)	(176,509)	(150,866)
Assumed from Other Companies		6,904	9,676	5,726
Net Amount		$ 115,668	$ 143,015	$ 115,869
Percentage of Amount Assumed to Net		6.00%	6.80%	4.90%
Predecessor
Premiums and policy fees:
Gross Amount	230,790
Ceded to Other Companies	(89,956)
Assumed from Other Companies	31,076
Net Amount	171,910
Predecessor | Life insurance
Premiums and policy fees:
Gross Amount	204,185
Ceded to Other Companies	(74,539)
Assumed from Other Companies	28,601
Net Amount	$ 158,247
Percentage of Amount Assumed to Net	18.10%
Annuity policy fees	$ 13,900			$ 160,400
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	$ 19,759
Ceded to Other Companies	(10,796)
Assumed from Other Companies	666
Net Amount	$ 9,629
Percentage of Amount Assumed to Net	6.90%