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Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Jul. 26, 2016 | Aug. 05, 2014
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 323,918 | $ 326,726 |  |
Average daily balance short-term borrowings | 324,887 | 309,471 |  |
Maximum month-end balance short-term borrowings | 329,401 | 332,987 |  |
Total long-term borrowings | 69,670 | 268,077 |  |
Subordinated Notes |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total long-term borrowings | 69,670 | 220,000 |  |
Average daily balance long-term borrowings | 156,340 | 220,000 |  |
Maximum month-end balance long-term borrowings | $ 218,081 | $ 220,000 |  |
Interest rate, stated percentage | 5.84% | 5.42% | 5.00% | 5.75%
Average interest rate | 6.39% | 5.42% |  |
Month-end interest rate | 5.36% | 5.42% |  |
Borrowings |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total long-term borrowings | $ 0 | $ 50,000 |  |
Average daily balance long-term borrowings | 8,630 | 50 |  |
Maximum month-end balance long-term borrowings | $ 50,000 | $ 50,000 |  |
Interest rate, stated percentage | 0.00% | 181.00% |  |
Average interest rate | 1.84% | 181.00% |  |
Month-end interest rate | 1.81% | 181.00% |  |
Customer repurchase agreements and federal funds purchased |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 23,918 | $ 26,726 |  |
Average daily balance short-term borrowings | 24,887 | 29,345 |  |
Maximum month-end balance short-term borrowings | $ 29,401 | $ 32,987 |  |
Interest rate, stated percentage | 0.20% | 0.26% |  |
Average interest rate | 0.20% | 1.00% |  |
Month-end interest rate | 0.20% | 1.13% |  |
Federal Home Loan Bank – current portion |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 300,000 | $ 300,000 |  |
Average daily balance short-term borrowings | 300,000 | 280,126 |  |
Maximum month-end balance short-term borrowings | $ 300,000 | $ 300,000 |  |
Interest rate, stated percentage | 0.67% | 0.67% |  |
Average interest rate | 0.67% | 0.66% |  |
Month-end interest rate | 0.67% | 0.67% |  |

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