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Loans and Allowance for Credit Losses - Nonaccrual and Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	$ 290,659	$ 236,601
Non- Accrual	858
Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	290,659	236,601
Non- Accrual		0
Current
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	287,766
Current | Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans		233,593
Total Past Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	2,035
Total Past Due | Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans		3,008
30-59 Days Due Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	1,232
30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans		2,013
60-89 Days Due Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	666
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	137
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	24,949
Non- Accrual	0
Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	24,733
Construction and land development | Total Past Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	216
Construction and land development | 30-59 Days Due Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	216
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	0
Residential real estate
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	29,357	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	29,239
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	572
Non- Accrual	0
Residential real estate multifamily | Current
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	572
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	170,253	12,063
Non- Accrual	740
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	169,513
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	0
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	0
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	16,507
Non- Accrual	0
Commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	16,458
Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	49
Commercial and industrial | 30-59 Days Due Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	28
Commercial and industrial | 60-89 Days Due Due
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	21
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	6,180	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	6,120
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	60
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	53
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	0
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	22,109
Non- Accrual	0
Lease financing receivables | Current
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans	22,109
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	20,732	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	19,022
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	1,710
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	935
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	638
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	$ 137
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		144,803
SBA | Total Past Due | Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans		369
SBA | 30-59 Days Due Due | Financing Receivable, Incurred Loss Methodology
Financing Receivable, Past Due [Line Items]
Retained Strategic Program loans		369
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

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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