Loans and Allowance for Credit Losses for Loans - Summary of Provision for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Receivables [Abstract]
Provision for loan losses	$ 71,925	$ 11,221	$ 205,549	$ 29,359
Provision (credit) for unfunded credit commitments	3,113	(2,074)	(3,126)	(4,430)
Total provision for credit losses for loans	$ 75,038	$ 9,147	$ 202,423	$ 24,929

Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration