v3.21.1

Loans Receivable and the Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | $ 55,500 | $ 29,079 |  |
Charge-offs | (1,003) | (1,497) |  |
Recoveries | 687 | 299 |  |
Credit loss expense | (4,534) | 19,322 |  |
Ending balance | 50,650 | $ 51,187 | $ 29,079 |
Accounting standards update |  | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201613Member |
Credit loss expense, off balance sheet credit exposure | (200) | $ 2,400 |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | 3,984 |  |
Ending balance |  |  | $ 3,984 |
Loans receivable |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Accrued interest receivable | 11,700 |  |  | $ 14,200
Agricultural |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 1,346 | 3,748 |  |
Charge-offs | (41) | (84) |  |
Recoveries | 27 | 25 |  |
Credit loss expense | (222) | 14 |  |
Ending balance | 1,110 | 1,146 | 3,748 |
Agricultural | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | (2,557) |  |
Ending balance |  |  | (2,557) |
Commercial and industrial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 15,689 | 8,394 |  |
Charge-offs | (666) | (471) |  |
Recoveries | 292 | 213 |  |
Credit loss expense | (1,671) | 8,445 |  |
Ending balance | 13,644 | 19,309 | 8,394 |
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | 2,728 |  |
Ending balance |  |  | 2,728 |
Commercial real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 32,640 | 13,804 |  |
Charge-offs | (66) | (720) |  |
Recoveries | 306 | 8 |  |
Credit loss expense | (2,455) | 8,746 |  |
Ending balance | 30,425 | 23,138 | 13,804 |
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | 1,300 |  |
Ending balance |  |  | 1,300 |
Residential real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 4,882 | 2,685 |  |
Charge-offs | (35) | 0 |  |
Recoveries | 9 | 7 |  |
Credit loss expense | (201) | 1,683 |  |
Ending balance | 4,655 | 6,425 | 2,685 |
Residential real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | 2,050 |  |
Ending balance |  |  | 2,050 |
Consumer |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 943 | 448 |  |
Charge-offs | (195) | (222) |  |
Recoveries | 53 | 46 |  |
Credit loss expense | 15 | 434 |  |
Ending balance | $ 816 | 1,169 | 448 |
Consumer | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance |  | $ 463 |  |
Ending balance |  |  | $ 463 |

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