Fair Value of Financial Instruments - Carrying Value and Estimated Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fixed maturities:
Available-for-sale securities	$ 1,591,169	$ 1,551,336
Equity securities	159,378	169,106
Mortgage loans	37,863	37,898
Fixed maturities
Fixed maturities:
Available-for-sale securities	1,591,348
Fair Value
Fixed maturities:
Equity securities	159,378	169,106
Mortgage loans	35,240	35,302
Other long-term investments	91,003	86,276
Short-term investments	275	275
Cash and cash equivalents	53,230	96,650
Corporate-owned life insurance	11,568	10,588
Liabilities
Long Term Debt	37,696	36,168
Fair Value \| Fixed maturities
Fixed maturities:
Available-for-sale securities	1,591,348	1,551,339
Carrying Value
Fixed maturities:
Equity securities	159,378	169,106
Mortgage loans	37,863	37,898
Other long-term investments	91,003	86,276
Short-term investments	275	275
Cash and cash equivalents	53,230	96,650
Corporate-owned life insurance	11,568	10,588
Liabilities
Long Term Debt	50,000	50,000
Carrying Value \| Fixed maturities
Fixed maturities:
Available-for-sale securities	$ 1,591,169	$ 1,551,336

Other Long-term Investments, Fair Value Disclosure

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- Definition

Short-term Investments, Fair Value Disclosure

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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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- References

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI https://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

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- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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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.

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No definition available.

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