Derivatives and Hedging Activities - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) swap	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) swap	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) swap
Derivative [Line Items]
Derivative, excluded component, gain (loss), recognized in earnings	$ 37,000	$ 0	$ 64,000	$ 0
Accrued interest on derivatives, at fair value	705,000		705,000		$ 22,000
Derivative, net asset, termination value	13,200,000		13,200,000
Derivative, collateral, right to reclaim cash	0		0
Derivative Financial Instruments, Assets
Derivative [Line Items]
Hedged asset, fair value hedge	493,698,000		493,698,000
Currency forward contract - non-designated hedge | Not-designated hedge
Derivative [Line Items]
Notional amount of derivative	0		0		0
Interest Rate Swap
Derivative [Line Items]
Derivative, gain (loss) on derivative, net	332,000	$ 118,000	130,000	$ 594,000
Interest Rate Swap | Not-designated hedge
Derivative [Line Items]
Notional amount of derivative	$ 273,100,000		$ 273,100,000		$ 205,000,000
Number of interest rate swaps in place with commercial banking customers | swap	78		78		54
Interest Rate Swap | Designated as Hedging Instrument
Derivative [Line Items]
Notional amount of derivative	$ 500,000,000		$ 500,000,000
Number of interest rate derivatives held | swap	6		6
Interest Rate Swap | Designated as Hedging Instrument | Federal Home Loan Bank Advances
Derivative [Line Items]
Notional amount of derivative	$ 300,000,000		$ 300,000,000		$ 290,000,000
Number of interest rate derivatives held | swap	21		21		20
Interest Rate Swap | Designated as Hedging Instrument | Commercial Loan
Derivative [Line Items]
Notional amount of derivative	$ 100,000,000		$ 100,000,000		$ 100,000,000
Number of interest rate derivatives held | swap	2		2		2