Loans and Allowance for Credit Losses - Loans outstanding by portfolio segment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Loans and Allowance for Loan Losses
Carrying amount	$ 2,606,430	$ 2,443,994
Deferred loan fees and costs	500	900
Accrued interest receivable	11,500	9,200
MPB
Loans and Allowance for Loan Losses
Unearned discount	5,200
Commercial
Loans and Allowance for Loan Losses
Carrying amount	1,705,143	1,563,356
Consumer
Loans and Allowance for Loan Losses
Carrying amount	901,287	880,638
Commercial and industrial \| Commercial
Loans and Allowance for Loan Losses
Carrying amount	582,387	583,876
Real estate construction \| Commercial
Loans and Allowance for Loan Losses
Carrying amount	97,742	97,810
Residential \| Consumer \| Real estate first mortgage
Loans and Allowance for Loan Losses
Carrying amount	717,793	679,551
Residential \| Consumer \| Real estate junior lien
Loans and Allowance for Loan Losses
Carrying amount	152,677	150,479
Commercial real estate \| Commercial
Loans and Allowance for Loan Losses
Carrying amount	1,025,014	881,670
Other revolving and installment \| Consumer
Loans and Allowance for Loan Losses
Carrying amount	$ 30,817	$ 50,608

The amount of deferred loan fees and cost incurred during the reporting period.

No definition available.

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- Definition

Amount of unearned discount associated with acquisition of bank.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3A

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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