Loans and Allowance for Credit Losses, Nonaccrual Loans (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	$ 41,243	$ 8,039
Amortized cost basis with no allowance	14,512	20,887
Amortized cost basis with an allowance	26,731	133
Total recorded investment	41,243	21,020
Related allowance	3,115	133
Interest income recognized	2,625
Construction & Development [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	0	0
Amortized cost basis with no allowance	0	0
Amortized cost basis with an allowance	0	0
Total recorded investment	0	0
Related allowance	0	0
Interest income recognized	0
1 - 4 Family Real Estate [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	0	0
Amortized cost basis with no allowance	0	0
Amortized cost basis with an allowance	0	0
Total recorded investment	0	0
Related allowance	0	0
Interest income recognized	0
Commercial Real Estate - Other [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	134	1,348
Amortized cost basis with no allowance	134	1,983
Amortized cost basis with an allowance	0	0
Total recorded investment	134	1,983
Related allowance	0	0
Interest income recognized	16
Commercial & Industrial [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	41,109	6,686
Amortized cost basis with no allowance	14,378	18,882
Amortized cost basis with an allowance	26,731	133
Total recorded investment	41,109	19,015
Related allowance	3,115	133
Interest income recognized	2,609
Agricultural [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	0	0
Amortized cost basis with no allowance	0	0
Amortized cost basis with an allowance	0	0
Total recorded investment	0	0
Related allowance	0	0
Interest income recognized	0
Consumer [Member]
Information Regarding Nonaccrual Loans [Abstract]
Amortized cost basis	0	5
Amortized cost basis with no allowance	0	22
Amortized cost basis with an allowance	0	0
Total recorded investment	0	22
Related allowance	0	$ 0
Interest income recognized	$ 0

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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)
-Publisher SEC

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-14A

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Amount of allowance for credit losses related to recorded investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

+ References

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