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Derivatives and hedging activities - Effect of Other Derivative Instruments on the Income Statement (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income	$ 130	$ 7	$ 656	$ 175
Interest Rate Swaps | Interest Rate Swap Revenue
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income	129	7	652	175
Other
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income	1		4
Fee Income | Interest Rate Swap Revenue
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income	$ 2	$ 72	$ 106	$ 569

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- Definition

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+ References

No definition available.

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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