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Loans and Allowance for Credit Losses (Aging of Past Due Financing Receivables) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | $ 4,654 | $ 3,615
Nonaccrual | 2,848 | 2,004
Loans held for investment | $ 2,181,106 | $ 2,119,175
Percent of total loans, Total past due | 0.20% | 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 | $ 32,487 | $ 33,650
Percent of total loans, Total loans | 1.50% | 1.60%
Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | $ 2,141,117 | $ 2,079,906
Percent of total loans, Current | 98.20% | 98.20%
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | $ 4,147 | $ 3,020
Percent of total loans, Total past due | 0.20% | 0.10%
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | $ 48 | $ 87
Percent of total loans, Total past due |  | 0.00%
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 459 | $ 508
Percent of total loans, Total past due |  | 0.00%
Residential Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 3,264 | $ 1,474
Nonaccrual | 1,546 | 803
Loans held for investment | 653,800 | 654,769
Residential Portfolio Segment [Member] | PCI loans acquired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans held for investment | 16,603 | 17,326
Residential Portfolio Segment [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 632,387 | 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 | 3,201 | 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 | 48 | 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 | 15 | 78
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 439 | 679
Nonaccrual | 747 | 606
Loans held for investment | 928,116 | 896,229
Commercial Real Estate Portfolio Segment [Member] | PCI loans acquired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans held for investment | 13,207 | 13,594
Commercial Real Estate Portfolio Segment [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 913,723 | 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 | 21 | 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 | 418 | 420
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 30 | 255
Nonaccrual | 215 | 298
Loans held for investment | 177,037 | 203,377
Commercial Portfolio Segment [Member] | PCI loans acquired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans held for investment | 294 | 321
Commercial Portfolio Segment [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 176,498 | 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 | 4 | 183
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due |  | 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 | 26 | 10
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 199 | 287
Nonaccrual | 15 |
Loans held for investment | 163,977 | 125,447
Consumer Portfolio Segment [Member] | PCI loans acquired |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans held for investment | 27 | 30
Consumer Portfolio Segment [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 163,736 | 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 | 199 | 287
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past due | 722 | 920
Nonaccrual | 325 | 297
Loans held for investment | 258,176 | 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 | 2,356 | 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 | 254,773 | 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 | $ 722 | $ 920

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