Deferred Transaction Costs - Cost of Reinsurance (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Balances of and changes in COR
Ending balance	$ 72,276	$ 84,175
Cost of reinsurance	72,276	84,175
SPIAs With Life Contingencies
Balances of and changes in COR
Beginning balance	11,897	12,591
Additions	0	0
Amortization	(522)	(284)
Experience Adjustment	0	0
Ending balance	11,375	12,307
Cost of reinsurance	11,375	12,307
Annuities excl. SPIAs WLC
Balances of and changes in COR
Beginning balance	66,431	77,095
Additions	0	0
Amortization	(5,530)	(5,227)
Experience Adjustment	0	0
Ending balance	60,901	71,868
Cost of reinsurance	$ 60,901	$ 71,868