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Derivatives Financial Instruments - Fair Value Hedges on Income Statement (Details) - 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) [Line Items]
Reported interest income on tax-exempt securities	$ 561	$ 331	$ 1,369	$ 894
Carrying amount of hedged asset	36,165	43,258	36,165	43,258
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedging relationship	1,808	288	5,319	1,994
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest income on tax-exempt securities	403	549	1,183	1,675
Effects of fair value hedge relationships	(83)	(218)	(527)	(781)
Reported interest income on tax-exempt securities	320	331	656	894
Gain (loss) on fair value hedging relationship	$ (1,808)	$ (288)	$ (5,319)	$ (1,994)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Reported interest income on tax-exempt securities	Reported interest income on tax-exempt securities	Reported interest income on tax-exempt securities	Reported interest income on tax-exempt securities

X

- Definition

Interest Income, Securities, Operating, Tax Exempt, Gross

+ References

No definition available.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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No definition available.

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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Amount of asset hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 220
-Section S99
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-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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