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Borrowings and Financing Activities - Schedule of Senior Notes (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | May 31, 2020 | Jun. 30, 2019 | Sep. 30, 2017
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Total other borrowings | $ 155,822 | $ 150,983 |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
FHLB, floating-rate advances | $ 13,400 |  |  |  |
FHLB weighted average interest rate | 3.617% |  |  |  |
Senior notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 1,413,504 | 1,409,473 |  |  |
Senior notes | Senior Notes due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate on senior notes |  |  |  |  | 4.50%
Long-term debt | 447,805 | 446,631 |  |  |
Senior notes | Senior Notes due 2025 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate on senior notes |  |  | 6.625% |  |
Long-term debt | 520,305 | 518,405 |  |  |
Senior notes | Senior Notes due 2027 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate on senior notes |  |  |  | 4.875% |
Long-term debt | $ 445,394 | 444,437 |  |  |
FHLB advances |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
FHLB advances due in 2022, average interest rate | 0.00% |  |  |  |
FHLB advances due in 2023, average interest rate | 2.806% |  |  |  |
FHLB advances due in 2024, average interest rate | 2.54% |  |  |  |
FHLB advances due in 2025, average interest rate | 1.59% |  |  |  |
FHLB advances due in 2027, average interest rate | 2.181% |  |  |  |
2022 | $ 0 | 71,050 |  |  |
2023 | 104,895 | 52,995 |  |  |
2024 | 32,371 | 13,954 |  |  |
2025 | 9,984 | 9,984 |  |  |
2027 | 6,436 | 3,000 |  |  |
Total FHLB advances | 153,686 | 150,983 |  |  |
Mortgage financing facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 2,136 | $ 0 |  |  |
Mortgage financing facilities, average interest rate | 5.928% |  |  |  |

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