Derivative Instruments and Hedging Activities - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) swap	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Derivatives not designated as hedging instruments:
Derivative [Line Items]
Notional amount	$ 17,198,430		$ 16,058,364
Interest rate swaps
Derivative [Line Items]
Number of instruments held | swap	6
Notional amount	$ 600,000
Accumulated net after-tax gains related to effective cash flow hedges	5,400		2,200
Reclassified to interest expense	2,100
Interest rate swaps | Fair value hedge interest rate swaps | Noninterest Income
Derivative [Line Items]
Fee income related to derivative interest rate swaps executed with commercial loan customers	$ 9,900	$ 14,400
Interest rate swaps | Derivatives not designated as hedging instruments:
Derivative [Line Items]
Number of instruments held | swap	33
Notional amount	$ 15,298,441		$ 14,753,330
Interest rate swaps | Derivatives not designated as hedging instruments: | Fair value hedge interest rate swaps
Derivative [Line Items]
Number of instruments held | swap	2
Notional amount	$ 10,400
Interest rate swaps | Derivatives not designated as hedging instruments: | Risk Participation Agreement
Derivative [Line Items]
Notional amount	$ 409,200