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Loans and Allowance for Credit Losses - Amortized Cost Basis of Loans on Nonaccrual Status and Nonaccrual Loans Individually Evaluated (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	$ 16,618	$ 21,457
Financing Receivable, Nonaccrual	26,555	23,750
Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	29	162
Financing Receivable, Nonaccrual	29	162
Agricultural Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	343	359
Financing Receivable, Nonaccrual	343	359
1-4 Family Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	8,199	6,747
Financing Receivable, Nonaccrual	8,302	6,930
Multifamily Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	2,142	2,181
Financing Receivable, Nonaccrual	2,142	2,181
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	3,762	7,345
Financing Receivable, Nonaccrual	9,069	8,760
Loans Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	14,475	16,794
Financing Receivable, Nonaccrual	19,885	18,392
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	238	659
Financing Receivable, Nonaccrual	238	659
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	1,628	3,677
Financing Receivable, Nonaccrual	6,085	4,372
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	277	327
Financing Receivable, Nonaccrual	347	327
All Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, Nonaccrual	$ 0	$ 0

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Amount of financing receivable on nonaccrual status with no allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 326
-SubTopic 20
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