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Loans Receivable and Allowance for Credit Losses - Amortized Cost Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.16%	0.49%
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 7,371	$ 21,711
30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Total amortized cost basis of loans that had a payment default	0
Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	6,961	19,639
Total amortized cost basis of loans that had a payment default	1,549
Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	410	967
Total amortized cost basis of loans that had a payment default	1,523
Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0	$ 320
Financing receivable, interest rate reduction (in percent)	0.00%	0.50%
Total amortized cost basis of loans that had a payment default	$ 0
Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	$ 785
Total amortized cost basis of loans that had a payment default	$ 0
Owner-occupied, nonfarm nonresidential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.14%	1.20%
Owner-occupied, nonfarm nonresidential properties | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 696	$ 5,934
Owner-occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	696	5,934
Owner-occupied, nonfarm nonresidential properties | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Owner-occupied, nonfarm nonresidential properties | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0	$ 0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.06%	1.19%
Commercial and Industrial | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 410	$ 8,638
Commercial and Industrial | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Commercial and Industrial | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Commercial and Industrial | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Commercial and Industrial | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Commercial and Industrial | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Commercial and Industrial | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	7,794
Commercial and Industrial | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	410	524
Commercial and Industrial | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0	$ 320
Financing receivable, interest rate reduction (in percent)	0.00%	0.50%
Commercial and Industrial | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0	$ 0
Non-owner occupied, nonfarm nonresidential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.51%	0.75%
Non-owner occupied, nonfarm nonresidential properties | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 5,225	$ 6,696
Non-owner occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Non-owner occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Non-owner occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Non-owner occupied, nonfarm nonresidential properties | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Non-owner occupied, nonfarm nonresidential properties | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Total amortized cost basis of loans that had a payment default	0
Non-owner occupied, nonfarm nonresidential properties | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	5,225	5,911
Total amortized cost basis of loans that had a payment default	0
Non-owner occupied, nonfarm nonresidential properties | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	0
Total amortized cost basis of loans that had a payment default	1,523
Non-owner occupied, nonfarm nonresidential properties | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	$ 0
Financing receivable, interest rate reduction (in percent)		0.00%
Total amortized cost basis of loans that had a payment default	0
Non-owner occupied, nonfarm nonresidential properties | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0	$ 785
Total amortized cost basis of loans that had a payment default	0
Residential Mortgages secured by first liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)		0.04%
Residential Mortgages secured by first liens | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 414
Residential Mortgages secured by first liens | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by first liens | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		414
Residential Mortgages secured by first liens | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 0
Financing receivable, interest rate reduction (in percent)		0.00%
Residential Mortgages secured by first liens | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 0
Residential Mortgages secured by junior liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)		0.03%
Residential Mortgages secured by junior liens | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 29
Residential Mortgages secured by junior liens | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		0
Residential Mortgages secured by junior liens | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		29
Residential Mortgages secured by junior liens | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 0
Financing receivable, interest rate reduction (in percent)		0.00%
Residential Mortgages secured by junior liens | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated		$ 0
Other construction loans and all land development and other land loans | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total amortized cost basis of loans that had a payment default	0
Other construction loans and all land development and other land loans | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total amortized cost basis of loans that had a payment default	1,549
Other construction loans and all land development and other land loans | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total amortized cost basis of loans that had a payment default	0
Other construction loans and all land development and other land loans | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total amortized cost basis of loans that had a payment default	0
Other construction loans and all land development and other land loans | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total amortized cost basis of loans that had a payment default	$ 0
Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	3.34%
Farmland | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 1,040
Farmland | 30 - 59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | 60 - 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Greater Than 89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	1,040
Farmland | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Farmland | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
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-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
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-Publisher FASB
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