Derivative Instruments - Funds Withheld Provision (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized gains (losses)			$ (2,900,000)		$ 200,000
Unrealized gains (losses)	$ 18,296,000	$ 412,000	28,511,000	$ (230,000)
Reinsurance recoverables (See Note 9)	24,121,000		24,121,000		38,579,000
Embedded derivative losses				$ 400,000
Embedded derivative gains			3,100,000
American Republic Insurance Company
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reinsurance recoverables (See Note 9)	7,375,000		7,375,000		4,885,000
Crestline SP 1
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reinsurance recoverables (See Note 9)	3,865,000		3,865,000		18,288,000
US Alliance Life and Security Company [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reinsurance recoverables (See Note 9)	4,301,000		4,301,000		5,064,000
Funds With held Provision Agreement
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	650,065		650,065		560,877
Market value of assets	647,122		647,122		561,038
Total return swap value			2,943		(161)
Unrealized gain (loss) on embedded derivatives			(2,900,000)		200,000
Funds With held Provision Agreement | American Republic Insurance Company
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	110,646,000		110,646,000		74,983,000
Market value of assets	107,843,000		107,843,000		74,670,000
Total return swap value			2,803,000		313,000
Funds With held Provision Agreement | Crestline SP 1
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	267,896,000		267,896,000		228,560,000
Market value of assets	271,291,000		271,291,000		228,450,000
Total return swap value			(3,395,000)		110,000
Funds With held Provision Agreement | Ironbound Reinsurance Company Limited
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	165,940,000		165,940,000		154,867,000
Market value of assets	163,608,000		163,608,000		155,755,000
Total return swap value			2,332,000		(888,000)
Funds With held Provision Agreement | Ascendent Re
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	58,156,000		58,156,000		56,246,000
Market value of assets	57,444,000		57,444,000		56,078,000
Total return swap value			712,000		168,000
Funds With held Provision Agreement | US Alliance Agreement
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Book value of assets	47,427,000		47,427,000		46,221,000
Market value of assets	$ 46,936,000		46,936,000		46,085,000
Total return swap value			$ 491,000		$ 136,000