Allowance for Credit Losses - Recorded Investment of Loan Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Impaired [Line Items]
Amount of loan sales	$ 26,776	$ 117,014	$ 71,639
Real estate loans
Financing Receivable, Impaired [Line Items]
Amount of loan sales	11,566	11,243	0
Commercial loans
Financing Receivable, Impaired [Line Items]
Amount of loan sales	13,897	102,247	65,386
Loans to financial institutions and acceptances
Financing Receivable, Impaired [Line Items]
Amount of loan sales	0	0	0
Consumer loans and overdrafts
Financing Receivable, Impaired [Line Items]
Amount of loan sales	$ 1,313	$ 3,524	$ 6,253