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Short-Term and Long-Term Borrowings - Schedule of Outstanding Long-term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Instrument [Line Items] |  |
Long-term debt | $ 947,000 | $ 827,000
Unamortized Long-Term Debt Issuance Costs | 3,266 | 2,941
Total Long-Term Debt Net of Unamortized Debt Issuance Costs | $ 943,734 | 824,059
Guaranteed Senior Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.55% |
Long-term debt | $ 80,000 | 80,000
Series 2007C Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 6.37% |
Long-term debt | $ 42,000 | 42,000
Series 2013A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 4.68% |
Long-term debt | $ 60,000 | 60,000
Series 2019A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.07% |
Long-term debt | $ 10,000 | 10,000
Series 2020A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.22% |
Long-term debt | $ 10,000 | 10,000
Series 2020B Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.22% |
Long-term debt | $ 40,000 | 40,000
Series 2021A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 2.74% |
Long-term debt | $ 40,000 | 40,000
Series 2024A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 5.48% |
Long-term debt | $ 60,000 | 0
Series 2007D Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 6.47% |
Long-term debt | $ 50,000 | 50,000
Series 2019B Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.52% |
Long-term debt | $ 26,000 | 26,000
Series 2020C Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.62% |
Long-term debt | $ 10,000 | 10,000
Series 2013B Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 5.47% |
Long-term debt | $ 90,000 | 90,000
Series 2018A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 4.07% |
Long-term debt | $ 100,000 | 100,000
Series 2019C Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.82% |
Long-term debt | $ 64,000 | 64,000
Series 2020D Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.92% |
Long-term debt | $ 15,000 | 15,000
Series 2021B Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.69% |
Long-term debt | $ 100,000 | 100,000
Series 2022A Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 3.77% |
Long-term debt | $ 90,000 | 90,000
Series 2024B Senior Unsecured Notes |  |
Debt Instrument [Line Items] |  |
Rate (as a percent) | 5.77% |
Long-term debt | $ 60,000 | $ 0

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