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Loans and Allowance for Credit Losses - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 269,366	$ 249,001	$ 277,567
Loans charged off	39,201	21,472
Loans charged off			(30,952)
Recoveries of loans previously charged off	10,129	14,092
Recoveries of loans previously charged off			17,146
Net loans (charged off) recovered	(29,072)	(7,380)
Net loans recovered (charged off)			(13,806)
Provision for credit losses	54,036	28,021	(14,600)
Prudential
Allowance for Loan and Lease Losses [Roll Forward]
Provision for credit losses	0	7,954	0
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	0	1,135	0
Financing Receivable
Allowance for Loan and Lease Losses [Roll Forward]
Provision for credit losses	$ 53,110	$ 18,656	$ (14,760)

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Reflects the increase in the allowance account attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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