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v3.22.0.1

Borrowed Funds and Mandatorily Redeemable Securities (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) note | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Borrowed funds and mandatorily redeemable securities |  |  |
Total long-term debt and mandatorily redeemable securities | $ 71,251 | $ 81,864 |
Annual maturities of long-term debt |  |  |
2022 | 5,290 |  |
2023 | 2,510 |  |
2024 | 11,650 |  |
2025 | 610 |  |
2026 | 10,500 |  |
Thereafter | 40,690 |  |
Mandatorily redeemable securities |  |  |
Interest expense | 1,790 | 2,140 | $ 2,220
Securities subject to mandatory redemption |  |  |
Borrowed funds and mandatorily redeemable securities |  |  |
Mandatorily redeemable securities | 20,598 | 20,358 |
Federal Home Loan Bank borrowings |  |  |
Borrowed funds and mandatorily redeemable securities |  |  |
Long-term debt | $ 44,150 | 55,183 |
Annual maturities of long-term debt |  |  |
Number of Federal Home Loan Bank borrowings, fixed rate notes | note | 16 |  |
Collateral security | $ 55,710 |  |
Other long-term debt |  |  |
Borrowed funds and mandatorily redeemable securities |  |  |
Long-term debt | $ 6,503 | $ 6,323 |
Minimum | Federal Home Loan Bank borrowings |  |  |
Borrowed funds and mandatorily redeemable securities |  |  |
Interest rate on Federal Home Loan Bank borrowings (as a percent) | 0.54% |  |
Maximum | Federal Home Loan Bank borrowings |  |  |
Borrowed funds and mandatorily redeemable securities |  |  |
Interest rate on Federal Home Loan Bank borrowings (as a percent) | 5.04% |  |

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