Derivatives and Hedging Activities - Effect of Derivatives Not Designated as Hedging Instruments on the Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 10	$ 15	$ 12	$ 56
Other income / (expense)
Derivative Instruments, Gain (Loss) [Line Items]
Fee Income	70	0	70	0
Interest Rate Products | Other income / (expense)
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	(2)	0	(2)	0
Risk Participation Agreement | Other income / (expense)
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 12	$ 15	$ 14	$ 56