Derivatives - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Derivative	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Derivative [Line Items]
Number of participation agreements for interest rate swaps, participant | Derivative	39
Number of participation agreements for interest rate swaps, lead bank | Derivative	17
Derivative, Gain (Loss) on Derivative, Net	$ 2,344	$ (2,521)	$ (269)
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	70,000
Interest Rate Swap [Member] | Interest Income [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	1,567	0	(118)
Interest Rate Swap [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	959	449	(159)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Underlying Asset Carrying Value	2,000	2,100
Derivative Liability, Fair Value, Gross Asset	2,000	2,100
Derivative, Notional Amount	1,982	2,119
Foreign Exchange Contract [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	11	18	5
Forward Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Underlying Asset Carrying Value	11,000	25,000
Derivative Liability, Fair Value, Gross Asset	11,900	28,400
Derivative Liability, Notional Amount	29,700	47,900
Derivative, Notional Amount	38,000	65,000
Forward Contracts [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Other Income	(454)	$ 420	$ 106
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