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Business Combination and Asset Purchase - Summary of Loans Acquired and Contractually Required Payments Receivable (Detail) $ in Thousands | Sep. 30, 2021 USD ($)
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Business Acquisition [Line Items] |
Total required payments receivable | $ 2,057
Cash flows expected to be collected at acquisition | 1,309
Basis in acquired loans at acquisition | 1,634
Consumer Real Estate [Member] |
Business Acquisition [Line Items] |
Total required payments receivable | 28
Agricultural Real Estate [Member] |
Business Acquisition [Line Items] |
Total required payments receivable | 1,142
Commercial Real Estate [Member] |
Business Acquisition [Line Items] |
Total required payments receivable | 527
Commercial and Industrial [Member] |
Business Acquisition [Line Items] |
Total required payments receivable | $ 360

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