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Fair Value of Assets and Liabilities - Off-Balance Sheet Credit-Related Commitments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financial Assets
Investment securities held-to-maturity	$ 363,540
Carrying Amount
Financial Assets
Cash and cash equivalents	159,454	$ 172,962
Investment securities held-to-maturity	362,586
Loans	1,768,320	1,945,129
Accrued interest receivable	8,836	9,662
Bank-owned life insurance	32,954	32,363
Financial Liabilities
Noninterest-bearing deposits	797,062	754,716
Interest-bearing deposits	1,691,226	1,607,939
Time deposits	224,800	209,338
Long-term debt	58,963	58,735
Accrued interest payable	1,298	654
Estimated Fair Value
Financial Assets
Cash and cash equivalents	159,454	172,962
Investment securities held-to-maturity	363,540
Loans	1,814,289	1,992,394
Accrued interest receivable	8,836	9,662
Bank-owned life insurance	32,954	32,363
Financial Liabilities
Noninterest-bearing deposits	797,062	754,716
Interest-bearing deposits	1,691,226	1,607,939
Time deposits	225,353	210,637
Long-term debt	58,319	56,131
Accrued interest payable	1,298	654
Level 1 | Estimated Fair Value
Financial Assets
Cash and cash equivalents	159,454	172,962
Accrued interest receivable	8,836	9,662
Financial Liabilities
Accrued interest payable	1,298	654
Level 2 | Estimated Fair Value
Financial Assets
Investment securities held-to-maturity	363,540
Bank-owned life insurance	32,954	32,363
Financial Liabilities
Noninterest-bearing deposits	797,062	754,716
Interest-bearing deposits	1,691,226	1,607,939
Long-term debt	58,319	56,131
Level 3 | Estimated Fair Value
Financial Assets
Loans	1,814,289	1,992,394
Financial Liabilities
Time deposits	$ 225,353	$ 210,637

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Fair value portion of bank owned life insurance.

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Fair value portion of interest bearing deposits.

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Fair value portion of interest receivable.

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Fair value portion of interest receivable.

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Fair value portion of non interest bearing deposits.

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Fair value portion of time deposits.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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