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Loans Held for Investment and Allowance for Credit Losses - Nonaccrual and Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | $ 337,635 | $ 236,601
Non- Accrual | 10,406 |
Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 337,635 | 236,601
Non- Accrual |  | 0
Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 321,255 |
Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 232,523
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 5,974 |
Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 4,078
30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 4,829 |
30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 3,083
60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 777 |
60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 802
90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 368 |
90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 193
Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 26,668 |
Non- Accrual | 0 |
Construction and land development | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 26,371 |
Construction and land development | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 297 |
Construction and land development | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Construction and land development | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Construction and land development | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 297 |
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 49,046 | 37,815
Non- Accrual | 118 |
Residential real estate | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 37,815
Non- Accrual |  | 0
Residential real estate | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 48,928 |
Residential real estate | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 37,387
Residential real estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 428
Residential real estate | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 428
Residential real estate | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Residential real estate | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Residential real estate multifamily |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 602 |
Non- Accrual | 0 |
Residential real estate multifamily | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 602 |
Residential real estate multifamily | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate multifamily | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate multifamily | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Residential real estate multifamily | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 183,579 | 12,063
Non- Accrual | 10,267 |
Commercial real estate | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 12,063
Non- Accrual |  | 0
Commercial real estate | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 169,497 |
Commercial real estate | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 12,063
Commercial real estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 3,815 |
Commercial real estate | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial real estate | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 3,815 |
Commercial real estate | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial real estate | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Commercial real estate | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial real estate | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Commercial real estate | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 19,364 |
Non- Accrual | 21 |
Commercial and industrial | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 19,323 |
Commercial and industrial | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 20 |
Commercial and industrial | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 20 |
Commercial and industrial | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Commercial and industrial | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 6,870 | 5,808
Non- Accrual | 0 |
Consumer | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 5,808
Non- Accrual |  | 0
Consumer | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 6,806 |
Consumer | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 5,776
Consumer | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 64 |
Consumer | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 32
Consumer | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 44 |
Consumer | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 32
Consumer | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 7 |
Consumer | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Consumer | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 13 |
Consumer | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Lease financing receivables |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 31,466 |
Non- Accrual | 0 |
Lease financing receivables | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 31,466 |
Lease financing receivables | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Lease financing receivables | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Lease financing receivables | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Lease financing receivables | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 0 |
Retained Strategic Program loans |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 20,040 | 24,259
Non- Accrual | 0 |
Retained Strategic Program loans | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 24,259
Non- Accrual |  | 0
Retained Strategic Program loans | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 18,262 |
Retained Strategic Program loans | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 22,080
Retained Strategic Program loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 1,778 |
Retained Strategic Program loans | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 2,179
Retained Strategic Program loans | 30-59 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 950 |
Retained Strategic Program loans | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 1,184
Retained Strategic Program loans | 60-89 Days Due Due |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | 770 |
Retained Strategic Program loans | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 802
Retained Strategic Program loans | 90+ Days Past Due & Still Accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans | $ 58 |
Retained Strategic Program loans | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 193
SBA |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 145,172
SBA | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 145,172
Non- Accrual |  | 0
SBA | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 143,733
SBA | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 1,439
SBA | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 1,439
SBA | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
SBA | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial, non-real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 11,484
Commercial, non-real estate | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 11,484
Non- Accrual |  | 0
Commercial, non-real estate | Current | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 11,484
Commercial, non-real estate | Total Past Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial, non-real estate | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial, non-real estate | 60-89 Days Due Due | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | 0
Commercial, non-real estate | 90+ Days Past Due & Still Accruing | Financing Receivable, Incurred Loss Methodology |  |
Financing Receivable, Past Due [Line Items] |  |
Retained Strategic Program loans |  | $ 0

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