Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financial assets, Estimated Fair Value
Investment securities held to maturity	$ 401,524	$ 65,828
LHFS	37,749
MSRs	4,087
Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	380
TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	55
Financial liabilities, Estimated Fair Value
TBA securities	41
Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale	116,982	139,568
Equity securities	1,372	1,395
Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities available for sale	116,982	139,568
Equity securities	1,372	1,395
Fair Value, Inputs, Level 1 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	583,613	186,917
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents	583,613	186,917
Fair Value, Inputs, Level 2 [Member]
Financial assets, Estimated Fair Value
LHFS	37,749
Fair Value, Inputs, Level 2 [Member] | TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	55
Financial liabilities, Estimated Fair Value
TBA securities	41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	404,594	65,706
Restricted securities	4,159	3,626
LHFS	37,749
Cash surrender value on life insurance	47,935	31,018
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	927,497	509,091
Checking plus interest	524,143	446,243
Money market	889,099	292,974
Savings	225,546	177,524
Club	388	392
Certificates of deposit, $100,000 or more	459,563	274,481
Securities sold under retail repurchase agreement	4,143	1,050
Advances from FHLB - long-term	10,135
Subordinated debt	42,762	24,429
TBA securities	41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member] | TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	55
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Investment securities held to maturity	401,524	65,828
Restricted securities	4,159	3,626
LHFS	37,749
Cash surrender value on life insurance	47,935	31,018
Financial liabilities, Estimated Fair Value
Noninterest-bearing demand	927,497	509,091
Checking plus interest	524,143	446,243
Money market	889,099	292,974
Savings	225,546	177,524
Club	388	392
Certificates of deposit, $100,000 or more	461,135	277,408
Securities sold under retail repurchase agreement	4,143	1,050
Advances from FHLB - long-term	10,187
Subordinated debt	44,876	25,745
TBA securities	41
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member] | TBA securities [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	55
Fair Value, Inputs, Level 3 [Member]
Financial assets, Estimated Fair Value
MSRs	4,087
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]
Financial assets, Estimated Fair Value
Derivative asset, estimated fair value	380
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member]
Financial assets, Estimated Fair Value
Loans, net	2,105,231	1,440,368
MSRs	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	380
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member]
Financial assets, Estimated Fair Value
Loans, net	2,106,373	$ 1,436,292
MSRs	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	$ 380