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Derivative Financial Instruments and Hedging Activities - Interest Income (Details) - Fair value hedge - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest on Investment Securities
Derivatives, Fair Value [Line Items]
Increase (decrease) in fair value of interest rate swaps hedging instruments	$ 367	$ 0	$ 367	$ 0
Receivable (payment) on interest rate swaps	162	0	162	0
(Decrease) increase in carrying value included in the hedged	(367)	0	(367)	0
Net gain (loss) recognized in interest income on loans	162	0	162	0
Interest and Fees on Loans
Derivatives, Fair Value [Line Items]
Increase (decrease) in fair value of interest rate swaps hedging instruments	223	547	252	1,734
Receivable (payment) on interest rate swaps	74	(19)	192	(169)
(Decrease) increase in carrying value included in the hedged	(211)	(538)	(233)	(1,718)
Decrease in value of yield maintenance agreement	(2)	(3)	(7)	(8)
Net gain (loss) recognized in interest income on loans	$ 84	$ (13)	$ 204	$ (161)

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Increase (Decrease) in value of yield maintenance agreement recognized against interest income.

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- Definition

Payment on interest rate swaps recorded in interest income.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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- Definition

Amount of unrealized gain (loss) included in earnings related to the fair value of the hedged item in an interest rate fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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- Definition

Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

+ References

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