Loans and Allowance for Credit Losses - Investment Loans Allowance Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Allowance for loan losses
Beginning Balance	$ 90,519	$ 45,317
Provision for (recovery of) loan losses	8,672	30,954
PCD	32,862	15,972
Charge-offs and sales	(30,635)	(2,408)
Recoveries	187
Recoveries		684
Ending Balance	101,605	90,519
Bridge
Allowance for loan losses
Beginning Balance	49,905	19,519
Provision for (recovery of) loan losses	(13,045)	31,086
Charge-offs and sales	(619)	(700)
Ending Balance	36,241	49,905
Fixed rate
Allowance for loan losses
Beginning Balance	6,531	6,861
Provision for (recovery of) loan losses	8,571	(240)
Charge-offs and sales	(1,504)	(90)
Ending Balance	13,598	6,531
Construction
Allowance for loan losses
Beginning Balance	17,334
Provision for (recovery of) loan losses	6,363	1,362
PCD	32,862	15,972
Charge-offs and sales	(25,689)
Ending Balance	30,870	17,334
SBA 7(a)
Allowance for loan losses
Beginning Balance	14,299	12,180
Provision for (recovery of) loan losses	5,598	2,971
Charge-offs and sales	(2,217)	(1,536)
Recoveries	187	684
Ending Balance	17,867	14,299
Other
Allowance for loan losses
Beginning Balance	2,450	6,757
Provision for (recovery of) loan losses	1,185	(4,225)
Charge-offs and sales	(606)	(82)
Ending Balance	3,029	2,450
Unfunded Loan Commitment
Allowance for loan losses
Beginning Balance	3,800
Ending Balance	$ 700	$ 3,800

Amount of decrease in allowance for credit loss on financing receivable from recovery adjustment.

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Amount of decrease in allowance for credit loss on financing receivable from sale of loan and write-off of financing receivable charged against allowance for credit loss.

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- Definition

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

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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 increase in allowance for credit loss on financing receivable from recovery.

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