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Allowance for Loan Losses - Past due and non-accrual loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Financing receivable, past due
Current	$ 1,628,480	$ 1,665,554
Total loans	1,628,480	1,665,554	$ 1,606,945
Real Estate Loans
Financing receivable, past due
Total loans			895,547
Residential Real Estate | Real Estate Loans
Financing receivable, past due
Current	356,331	342,491
Total loans	356,331	342,491	281,964
Commercial Real Estate | Real Estate Loans
Financing receivable, past due
Current	992,126	968,442
Total loans	992,126	968,442
Construction and land development | Real Estate Loans
Financing receivable, past due
Current	219,160	231,090
Total loans	219,160	231,090	250,208
Commercial | Commercial - Non-Real Estate
Financing receivable, past due
Current	60,350	122,945
Total loans	60,350	122,945	178,433
Consumer | Consumer - Non-Real Estate
Financing receivable, past due
Current	513	586
Total loans	$ 513	$ 586	$ 793

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+ References

No definition available.

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+ References

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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