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Indebtedness - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2019 | Dec. 31, 2016 | Nov. 30, 2005 | Nov. 30, 2004
--- | --- | --- | --- | --- | --- | ---
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Unamortized Issuance Costs | $ 2,492 |  |  |  |  |
Debt Discount | 5,852 |  |  |  |  |
Finance lease obligations | 6,282 | $ 2,636 |  |  |  |
Long-term debt | $ 507,938 | $ 503,946 |  |  |  |
5.375% Senior Notes |  |  |  |  |  |
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Interest Rate | 5.375% | 5.375% | 5.375% |  |  |
Original Amount | $ 300,000 |  | $ 300,000 |  |  |
Unamortized Issuance Costs | 2,193 |  |  |  |  |
Debt Discount | 5,373 |  |  |  |  |
Long-term debt | $ 292,434 | $ 292,159 |  |  |  |
3.03% Borrowings from FHLBI |  |  |  |  |  |
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Interest Rate | 3.03% | 3.03% |  | 3.03% |  |
Original Amount | $ 60,000 |  |  | $ 60,000 |  |
Unamortized Issuance Costs | 0 |  |  |  |  |
Debt Discount | 0 |  |  |  |  |
Long-term debt | $ 60,000 | $ 60,000 |  |  |  |
6.70% Senior Notes |  |  |  |  |  |
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Interest Rate | 6.70% | 6.70% |  |  | 6.70% |
Original Amount | $ 100,000 |  |  |  | $ 100,000 |
Unamortized Issuance Costs | 200 |  |  |  |  |
Debt Discount | 410 |  |  |  |  |
Long-term debt | $ 99,391 | $ 99,339 |  |  |  |
7.25% Senior Notes |  |  |  |  |  |
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Interest Rate | 7.25% | 7.25% |  |  |  | 7.25%
Original Amount | $ 50,000 |  |  |  |  | $ 50,000
Unamortized Issuance Costs | 99 |  |  |  |  |
Debt Discount | 69 |  |  |  |  |
Long-term debt | 49,831 | $ 49,812 |  |  |  |
Finance lease obligations |  |  |  |  |  |
Schedule of Debt Instruments [Line Items] |  |  |  |  |  |
Finance lease obligations | $ 6,282 | $ 2,636 |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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