Derivatives - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Derivative	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Number of participation agreements for interest rate swaps, participant | Derivative	35
Number of participation agreements for interest rate swaps, lead bank | Derivative	15
Derivative, Gain (Loss) on Derivative, Net	$ 368	$ 2,344	$ (2,521)
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(4,800)	600	(400)
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	70,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	570,000	570,000
Interest Rate Swap [Member] | Interest Income [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(5,125)	1,567	0
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	0	1,982
Derivative, Gain (Loss) on Derivative, Net	5	11	18
Derivative, Underlying Asset Carrying Value	0	2,000
Derivative Liability, Fair Value, Gross Asset	0	2,000
Forward Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	16,000	38,000
Other Income	(92)	(454)	$ 420
Derivative, Underlying Asset Carrying Value	4,300	11,000
Derivative Liability, Fair Value, Gross Asset	4,000	11,900
Derivative Liability, Notional Amount	12,000	$ 29,700
Interest Rate Macro Swap | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	500,000
Credit Derivative, Maximum Exposure, Undiscounted	500,000
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | Three Year Original Maturity
Derivative [Line Items]
Derivative, Notional Amount	75,000
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | Five Year Original Maturity
Derivative [Line Items]
Derivative, Notional Amount	175,000
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | Four Year Oiriginal Maturity
Derivative [Line Items]
Derivative, Notional Amount	250,000
2024 [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	30,000
2026 [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 40,000