Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	$ 86,347		$ 116,982
Investment securities held to maturity	501,145		401,524
LHFS	8,342		37,749
Derivative asset, estimated fair value	1,000		55
MSRs	5,321	$ 5,228	4,087
Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	10		380
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability	33
TBA securities [Member]
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability			41
Fair Value, Inputs, Level 1 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	163,306		583,613
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	163,306		583,613
Fair Value, Inputs, Level 2 [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	86,347		116,982
LHFS	8,342		37,749
Derivative asset, estimated fair value	1,000		55
Fair Value, Inputs, Level 2 [Member] | TBA securities [Member]
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability			41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	86,347		116,982
Investment securities held to maturity	570,719		404,594
Equity securities	1,222		1,372
Restricted securities	9,894		4,159
LHFS	8,342		37,749
Cash surrender value on life insurance	58,768		47,935
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	893,808		927,497
Checking plus interest	649,929		524,143
Money market	721,987		889,099
Savings	320,189		225,546
Club	1,440		388
Certificates of deposit	427,959		459,563
Securities sold under retail repurchase agreement			4,143
Advances from FHLB - long-term	10,013		10,135
Subordinated debt	42,995		42,762
IRLCs - Derivative Liability			41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member] | TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	1,000		55
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale, at fair value	86,347		116,982
Investment securities held to maturity	501,145		401,524
Equity securities	1,222		1,372
Restricted securities	9,894		4,159
LHFS	8,342		37,749
Cash surrender value on life insurance	58,768		47,935
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	893,808		927,497
Checking plus interest	649,929		524,143
Money market	721,987		889,099
Savings	320,189		225,546
Club	1,440		388
Certificates of deposit	412,214		461,135
Securities sold under retail repurchase agreement			4,143
Advances from FHLB - long-term	9,998		10,187
Subordinated debt	40,817		44,876
IRLCs - Derivative Liability			41
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member] | TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	1,000		55
Fair Value, Inputs, Level 3 [Member]
Financial assets, Estimated Fair Value
MSRs	5,321		4,087
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	10		380
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability	33
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Loans, net	2,385,606		2,105,231
MSRs	5,321		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	10		380
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability	33
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Loans, net	2,299,283		2,106,373
MSRs	5,321		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	10		$ 380
Financial liabilities, Estimated Fair Value
IRLCs - Derivative Liability	$ 33