Derivatives - Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivatives, Fair Value [Line Items]
Amount of (loss) gain recognized in other comprehensive income (loss), net of tax (benefit) expense of $(70) and $273	$ (197)	$ 774
Net tax expenses (benefits) recognized on net change in unrealized gain (loss) on hedging activities	(70)	273
Not designated as hedging
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	2,185	15,958
Not designated as hedging | Interest rate-lock commitments
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	1,207	(5,446)
Not designated as hedging | Forward commitments
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(295)	37,903
Not designated as hedging | Futures contracts
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	1,937	(16,535)
Not designated as hedging | Option contracts
Derivatives, Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(664)	36
Designated as hedging
Derivatives, Fair Value [Line Items]
Amount of (loss) gain recognized in other comprehensive income (loss), net of tax (benefit) expense of $(70) and $273	$ (197)	$ 774