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Loans - Restructured in Troubled Debt (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 loan	Sep. 30, 2020 USD ($) loan	Sep. 30, 2021 USD ($) loan	Sep. 30, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	0	1	3	10
Pre-Modification Outstanding Recorded Investment		$ 46	$ 2,899	$ 1,755
Post-Modification Outstanding Recorded Investment		$ 46	$ 2,899	$ 1,755
Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan			1
Pre-Modification Outstanding Recorded Investment			$ 578
Post-Modification Outstanding Recorded Investment			$ 578
Multifamily (5 or more) residential properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan			1
Pre-Modification Outstanding Recorded Investment			$ 717
Post-Modification Outstanding Recorded Investment			$ 717
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan			1
Pre-Modification Outstanding Recorded Investment			$ 1,604
Post-Modification Outstanding Recorded Investment			$ 1,604
Commercial, industrial and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan				8
Pre-Modification Outstanding Recorded Investment				$ 1,593
Post-Modification Outstanding Recorded Investment				$ 1,593
Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan		1		1
Pre-Modification Outstanding Recorded Investment		$ 46		$ 46
Post-Modification Outstanding Recorded Investment		$ 46		$ 46
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan				1
Pre-Modification Outstanding Recorded Investment				$ 116
Post-Modification Outstanding Recorded Investment				$ 116

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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