Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	$ 106,695	$ 116,982
Investment securities held to maturity	390,541	401,524
LHFS	12,906	37,749
MSRs	5,113	4,087
Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	217	380
TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	838	55
Financial liabilities, Estimated Fair Value
TBA securities	6	41
Fair Value, Inputs, Level 1 [Member] \| Carrying Amount [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	570,976	583,613
Fair Value, Inputs, Level 1 [Member] \| Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	570,976	583,613
Fair Value, Inputs, Level 2 [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	106,695	116,982
LHFS	12,906	37,749
Fair Value, Inputs, Level 2 [Member] \| TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	838	55
Financial liabilities, Estimated Fair Value
TBA securities	6	41
Fair Value, Inputs, Level 2 [Member] \| Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	106,695	116,982
Investment securities held to maturity	407,138	404,594
Equity securities	1,305	1,372
Restricted securities	9,894	4,159
LHFS	12,906	37,749
Cash surrender value on life insurance	58,186	47,935
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	876,415	927,497
Checking plus interest	695,407	524,143
Money market	726,858	889,099
Savings	309,926	225,546
Club	745	388
Certificates of deposit	459,144	459,563
Securities sold under retail repurchase agreement		4,143
Advances from FHLB - long-term	10,094	10,135
Subordinated debt	42,840	42,762
TBA securities	6	41
Fair Value, Inputs, Level 2 [Member] \| Carrying Amount [Member] \| TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	838	55
Fair Value, Inputs, Level 2 [Member] \| Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	106,695	116,982
Investment securities held to maturity	390,541	401,524
Equity securities	1,305	1,372
Restricted securities	9,894	4,159
LHFS	12,906	37,749
Cash surrender value on life insurance	58,186	47,935
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	876,415	927,497
Checking plus interest	695,407	524,143
Money market	726,858	889,099
Savings	309,926	225,546
Club	745	388
Certificates of deposit	459,171	461,135
Securities sold under retail repurchase agreement		4,143
Advances from FHLB - long-term	10,052	10,187
Subordinated debt	45,430	44,876
TBA securities	6	41
Fair Value, Inputs, Level 2 [Member] \| Estimated Fair Value [Member] \| TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	838	55
Fair Value, Inputs, Level 3 [Member]
Financial assets, Estimated Fair Value
MSRs	5,113	4,087
Fair Value, Inputs, Level 3 [Member] \| Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	217	380
Fair Value, Inputs, Level 3 [Member] \| Carrying Amount [Member]
Financial assets, Estimated Fair Value
Loans, net	2,166,396	2,105,231
MSRs	5,113	4,087
Fair Value, Inputs, Level 3 [Member] \| Carrying Amount [Member] \| Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	217	380
Fair Value, Inputs, Level 3 [Member] \| Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Loans, net	2,140,286	2,106,373
MSRs	5,113	4,087
Fair Value, Inputs, Level 3 [Member] \| Estimated Fair Value [Member] \| Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	$ 217	$ 380

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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

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Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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