Loans and Allowance for Credit Losses - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	$ 7,076	$ 11,650
Nonaccrual With No ACL	7,014	11,542
Government guarantees
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	646	978
Nonaccrual With No ACL	646	978
Net of government guarantees
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	6,430	10,672
Nonaccrual With No ACL	6,368	10,564
Commercial & industrial loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	3,294	4,350
Nonaccrual With No ACL	3,287	4,298
Commercial real estate \| Owner occupied properties
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	1,457	3,506
Nonaccrual With No ACL	1,457	3,506
Residential real estate \| 1-4 family residential properties secured by first liens
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	151	1,778
Nonaccrual With No ACL	144	1,778
Residential real estate \| 1-4 family residential construction loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	109	109
Nonaccrual With No ACL	109	109
Residential real estate \| 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	246	271
Nonaccrual With No ACL	198	215
Other construction, land development and raw land loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	1,545	1,636
Nonaccrual With No ACL	$ 1,545	1,636
Consumer loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual		0	$ 0
Nonaccrual With No ACL		$ 0	$ 0

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

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+ References

No definition available.

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