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Loans and Investments - Charge-offs and Recoveries Narratives (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) loan	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Loans and Investments
Interest income recognized on nonaccrual loans	$ 600	$ 0
Allowance for credit losses	153,077	$ 116,382	$ 132,559	$ 113,241
Loans collateralized by a land development project
Loans and Investments
Allowance for credit losses	$ 71,400		$ 71,400
Six loans collateralized by a land development project
Loans and Investments
Number of loans with unpaid principal balance | loan	6
Unpaid principal balance on loans	$ 121,400
Five loans collateralized by a land development project
Loans and Investments
Number of loans with unpaid principal balance | loan	5
Unpaid principal balance on loans	$ 112,000
Weighted average accrual rate of interest (as a percent)	7.91%

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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- Definition

Number of loans with principal due that have been delinquent.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of interest income on financing receivable on nonaccrual status.

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