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Certificates of Deposit (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Maturities Of Certificates Of Deposit [Line Items] |  |  |
Certificates of deposit less than $100,000 | $ 252,568 | $ 246,875 |
Certificates $100,000 to $250,000 | 258,211 | 295,672 |
Certificates $250,000 and over | 55,426 | 63,038 |
Total | 566,205 | 605,585 |
Maturity of certificates of deposit [Abstract] |  |  |
2022 | 323,832 |  |
2023 | 87,110 |  |
2024 | 74,410 |  |
2025 | 34,741 |  |
2026 | 45,722 |  |
2027 and thereafter | 390 |  |
Total | 566,205 | 605,585 |
Interest expense on certificates of deposit of $100,000 or greater | 2,462 | $ 5,327 | $ 6,060
Less than $100,000 |  |  |
Maturities Of Certificates Of Deposit [Line Items] |  |  |
Total | 252,568 |  |
Maturity of certificates of deposit [Abstract] |  |  |
2022 | 87,062 |  |
2023 | 33,427 |  |
2024 | 62,588 |  |
2025 | 30,059 |  |
2026 | 39,295 |  |
2027 and thereafter | 137 |  |
Total | 252,568 |  |
$100,000 and Greater |  |  |
Maturities Of Certificates Of Deposit [Line Items] |  |  |
Total | 313,637 |  |
Maturity of certificates of deposit [Abstract] |  |  |
2022 | 236,770 |  |
2023 | 53,683 |  |
2024 | 11,822 |  |
2025 | 4,682 |  |
2026 | 6,427 |  |
2027 and thereafter | 253 |  |
Total | $ 313,637 |  |

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