Residential Mortgage Loans - Summary (Details) - Residential mortgage loans $ in Thousands	Mar. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($) loan
Financing Receivables [Abstract]
Cost	$ 620,677	$ 886,661
Unpaid principal balance	604,535	864,171
Net premium on mortgage loans purchased	16,142	22,489
Change in fair value	(76,241)	(115,678)
Fair value	$ 544,436	$ 770,982
Weighted average interest rate	4.63%	4.80%
Weighted average remaining maturity (years)	30 years	30 years
Financing Receivables, Past Due [Abstract]
Number of mortgage loans 90 or more days past due \| loan	6	11
Recorded investment in mortgage loans 90 or more days past due	$ 4,136	$ 7,230
Unpaid principal balance of loans 90 or more days past due	$ 4,005	$ 7,043
Number of mortgage loans in foreclosure \| loan	3	2
Recorded investment in mortgage loans in foreclosure	$ 1,512	$ 820
Unpaid principal balance of loans in foreclosure	$ 1,463	$ 849

Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due, Number

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- Definition

Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due, Unpaid Principal Balance

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Fair Value, Option, Loans Held as Assets, Foreclosure, Number

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Fair Value, Option, Loans Held as Assets, Foreclosure, Unpaid Principal Balance

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- Definition

Financing Receivable, After Allowance for Credit Loss, Before Fair Value Option Adjustment, Unpaid Principal Balance

+ References

No definition available.

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- Definition

Financing Receivable, at Cost

+ References

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- Definition

Financing Receivable, Weighted Average Interest Rate

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Financing Receivable, Weighted Average Remaining Maturity

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- Definition

Financing Receivables

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Financing Receivables, Past Due

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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- Definition

Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

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-Publisher FASB
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