Loans and Allowance for Credit Losses (Aging of Past Due Financing Receivables) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 5,048	$ 3,615
Nonaccrual	1,949	2,004
Loans held for investment	$ 2,401,883	$ 2,119,175
Percent of total loans, Total past due	0.10%	0.10%
Percent of total loans, Nonaccrual	0.10%	0.10%
Percent of total loans, Total loans	100.00%	100.00%
PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	$ 28,281	$ 33,650
Percent of total loans, Total loans	1.20%	1.60%
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 2,366,605	$ 2,079,906
Percent of total loans, Current	98.60%	98.20%
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 3,450	$ 3,020
Percent of total loans, Total past due	0.10%	0.10%
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 954	$ 87
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	644	508
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,810	1,474
Nonaccrual	1,281	803
Loans held for investment	758,063	654,769
Residential Portfolio Segment [Member] | PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	15,061	17,326
Residential Portfolio Segment [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	738,911	635,166
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	2,032	1,371
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	657	25
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	121	78
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,015	679
Nonaccrual	150	606
Loans held for investment	1,023,253	896,229
Commercial Real Estate Portfolio Segment [Member] | PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	12,339	13,594
Commercial Real Estate Portfolio Segment [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	1,009,749	881,350
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	596	259
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	419	420
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	366	255
Nonaccrual	193	298
Loans held for investment	160,430	203,377
Commercial Portfolio Segment [Member] | PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	197	321
Commercial Portfolio Segment [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	159,674	202,503
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	80	183
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	286	62
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		10
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	753	287
Nonaccrual	28
Loans held for investment	230,018	125,447
Consumer Portfolio Segment [Member] | PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	19	30
Consumer Portfolio Segment [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	229,218	125,130
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	742	287
Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	11
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	104	920
Nonaccrual	297	297
Loans held for investment	230,119	239,353
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | PCI loans acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	665	2,379
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	229,053	235,757
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due		$ 920
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due	$ 104