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Derivative Instruments and Hedging Activities - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) derivative	Mar. 31, 2021 USD ($) derivative	Dec. 31, 2021 USD ($) derivative
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, net liability position, aggregate fair value	$ 9,600
Minimum
Derivative Instruments, Gain (Loss) [Line Items]
Derivative expiration period	30 days
Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Derivative expiration period	60 days
Not Designated as Hedging Instrument | Residential mortgage loan commitments
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 6,400		$ 8,200
Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Cash collateral pledged	$ (4,115)		$ (23,348)
Interest Rate Contract | Derivative Designated as Hedging Instrument | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate derivatives terminated | derivative	4
Aggregate notional amount, terminated	$ 850,000
Reclassification of realized losses from AOCI, discontinuation of cash flow hedge	$ 25,900
Number of outstanding interest rate derivatives | derivative	0		0
Interest Rate Contract | Derivative Designated as Hedging Instrument | Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest rate derivatives terminated | derivative	2	7
Aggregate notional amount, terminated	$ 16,500	$ 186,800
Number of outstanding interest rate derivatives | derivative	14		16
Aggregate notional amount	$ 64,000		$ 80,500
Interest rate swaps | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 1,400,000		$ 1,400,000
Number of derivative instruments held | derivative	153		153
Interest rate caps | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 263,200		$ 264,700
Number of derivative instruments held | derivative	14,000		14,000
Credit contracts | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 129,100		$ 129,900

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Nominal or face amount used to calculate payment on derivative.

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