Fair Values of Financial Instruments (Recurring Basis Level 3) (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Assets
Beginning Balance	$ 505,150	$ 228,039
Total realized and unrealized gains (losses) Included In Income	(76)	(516)
Total realized and unrealized gains (losses) Included In AOCI	(1,104)	(289)
Net Purchases, Issuances, Sales, and Settlements	270,077	277,916
Ending Balance	774,047	505,150
Liabilities
Beginning Balance	(123,692)	(84,501)
Total realized and unrealized gains (losses) Included In Income	(9,632)
Total realized and unrealized gains (losses) Included In AOCI		(4,169)
Net Purchases, Issuances, Sales, and Settlements	12,489	(35,022)
Ending Balance	(120,835)	(123,692)
Equity-indexed embedded derivative
Liabilities
Beginning Balance	(123,692)	(84,501)
Total realized and unrealized gains (losses) Included In Income	(9,632)	(4,169)
Net Purchases, Issuances, Sales, and Settlements	12,489	(35,022)
Ending Balance	(120,835)	(123,692)
Term loans
Assets
Beginning Balance	267,468	107,254
Total realized and unrealized gains (losses) Included In Income		(1,326)
Total realized and unrealized gains (losses) Included In AOCI	512	225
Net Purchases, Issuances, Sales, and Settlements	208,542	161,315
Ending Balance	476,522	267,468
Mortgage loans on real estate, held for investment
Assets
Beginning Balance	183,203	94,990
Net Purchases, Issuances, Sales, and Settlements	21,220	88,213
Ending Balance	204,423	183,203
Federal Home Loan Bank (FHLB) stock
Assets
Beginning Balance	500
Net Purchases, Issuances, Sales, and Settlements	1	500
Ending Balance	501	500
Other invested assets
Assets
Beginning Balance	35,293	21,897
Total realized and unrealized gains (losses) Included In Income	(76)	810
Total realized and unrealized gains (losses) Included In AOCI	(1,616)	(671)
Net Purchases, Issuances, Sales, and Settlements	37,421	13,257
Ending Balance	71,022	35,293
Preferred Stock
Assets
Beginning Balance	18,686	3,898
Total realized and unrealized gains (losses) Included In AOCI		157
Net Purchases, Issuances, Sales, and Settlements	2,893	14,631
Ending Balance	$ 21,579	$ 18,686

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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