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Loans and Allowance for Loan Losses - Loans outstanding by portfolio segment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loans and Allowance for Loan Losses
Carrying amount	$ 2,486,625	$ 2,443,994
Deferred loan fees and costs	800	919
Accrued interest receivable	9,200	9,200
MPB
Loans and Allowance for Loan Losses
Unearned discount	6,900
Commercial
Loans and Allowance for Loan Losses
Carrying amount	1,596,678	1,563,356
Consumer
Loans and Allowance for Loan Losses
Carrying amount	889,947	880,638
Commercial and industrial | Commercial
Loans and Allowance for Loan Losses
Carrying amount	553,578	583,876
Real estate construction | Commercial
Loans and Allowance for Loan Losses
Carrying amount	108,776	97,810
Residential | Consumer | Real estate first mortgage
Loans and Allowance for Loan Losses
Carrying amount	698,002	679,551
Residential | Consumer | Real estate junior lien
Loans and Allowance for Loan Losses
Carrying amount	152,281	150,479
Commercial real estate | Commercial
Loans and Allowance for Loan Losses
Carrying amount	934,324	881,670
Other revolving and installment | Consumer
Loans and Allowance for Loan Losses
Carrying amount	$ 39,664	$ 50,608

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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3A
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267960-210447

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 45
-Paragraph 5
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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/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
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-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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