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v3.25.1

Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Financial Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | $ 903,232 | $ 507,938
Unamortized debt issuance costs | (6,444) |
Finance lease obligations | 5,581 | 6,282
Fair Value | $ 895,247 | $ 489,694
7.25% Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Interest Rate | 7.25% | 7.25%
Unamortized debt issuance costs | $ (96) |
Fair Value | 55,396 | $ 54,657
7.25% Senior Notes | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | $ 49,932 | 49,931
5.90% Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Interest Rate | 5.90% |
Unamortized debt issuance costs | $ (4,003) |
Fair Value | 402,291 | 0
5.90% Senior Notes | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | $ 399,912 | $ 0
6.70% Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Interest Rate | 6.70% | 6.70%
Unamortized debt issuance costs | $ (193) |
Fair Value | 104,846 | $ 103,057
6.70% Senior Notes | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | $ 99,597 | $ 99,590
5.375% Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Interest Rate | 5.375% | 5.375%
Unamortized debt issuance costs | $ (2,152) |
Fair Value | 273,711 | $ 273,464
5.375% Senior Notes | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | $ 294,654 | $ 294,627
3.03% borrowings from FHLBI |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Interest Rate | 3.03% | 3.03%
Unamortized debt issuance costs | $ 0 |
Fair Value | 59,003 | $ 58,516
3.03% borrowings from FHLBI | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | 60,000 | 60,000
Subtotal long-term debt |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value | 895,247 | 489,694
Subtotal long-term debt | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Carrying Amount | 904,095 | 504,148
Unamortized debt issuance costs | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Unamortized debt issuance costs | $ (6,444) | $ (2,492)

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