Fair Value of Financial Instruments - Carrying Value and Estimated Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fixed maturities:
Total Available-for-Sale Fixed Maturities	$ 1,589,248	$ 1,686,502
Equity securities	0	55,019
Mortgage loans	41,380	45,366
Fixed Maturities
Fixed maturities:
Total Available-for-Sale Fixed Maturities	1,589,248
Fair Value
Fixed maturities:
Equity securities	0	55,019
Mortgage loans	38,999	42,632
Other long-term investments	99,020	99,507
Short-Term Investments	100	100
Money Market Accounts	217,785	102,046
Corporate-Owned Life Insurance	12,482	11,913
Liabilities
Long Term Debt	38,370	38,413
Fair Value \| Fixed Maturities
Fixed maturities:
Total Available-for-Sale Fixed Maturities	1,589,248	1,686,503
Carrying Value
Fixed maturities:
Equity securities	0	55,019
Mortgage loans	41,380	45,366
Other long-term investments	99,020	99,507
Short-Term Investments	100	100
Money Market Accounts	217,785	102,046
Corporate-Owned Life Insurance	12,482	11,913
Liabilities
Long Term Debt	50,000	50,000
Carrying Value \| Fixed Maturities
Fixed maturities:
Total Available-for-Sale Fixed Maturities	$ 1,589,248	$ 1,686,502

Other Long-term Investments, Fair Value Disclosure

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Short-term Investments, Fair Value Disclosure

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No definition available.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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No definition available.

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- References

No definition available.

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- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
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-Section 45
-Paragraph 1
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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