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Investments
3 Months Ended
Mar. 31, 2026
Investments, Debt and Equity Securities [Abstract]  
Investments
6 — Investments

The Company holds a diversified investment portfolio, consisting of fixed maturity securities and, to a much lesser extent, equity securities such as common stocks and exchange traded funds. The Company's fixed maturity securities are classified as available-for-sale.
The following tables summarize the Company's available-for-sale investments as of March 31, 2026 and December 31, 2025:

March 31, 2026
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Fixed maturity securities:in thousands
Corporate $294,279 $2,101 $(1,387)$294,993 
U.S. Treasury117,690 151 (710)117,131 
States and municipalities37,738 740 (126)38,352 
Foreign 32,656 26 (146)32,536 
Asset-backed securities33,362 418 (47)33,733 
Mortgage-backed securities155,197 1,926 (768)156,355 
Total fixed maturity securities$670,922 $5,362 $(3,184)$673,100 

December 31, 2025
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Fixed maturity securities:in thousands
Corporate$262,302 $3,982 $(116)$266,168 
U.S. Treasury181,077 701 (161)181,617 
States and municipalities29,182 967 (3)30,146 
Foreign33,000 54 (62)32,992 
Asset-backed securities31,899 394 (42)32,251 
Mortgage-backed securities150,353 3,026 (282)153,097 
Total fixed maturity securities$687,813 $9,124 $(666)$696,271 
Security holdings in an unrealized loss position

The following table summarizes gross unrealized losses and the estimated fair value of available-for-sale fixed maturity securities that have continuously been in an unrealized loss position, as well as the length of time that such securities were in an unrealized loss position, as of March 31, 2026 and December 31, 2025:

March 31, 2026
Less than 12 months12 months or longerTotal
Estimated fair valueGross unrealized lossesEstimated fair valueGross unrealized lossesEstimated fair valueGross unrealized losses
Fixed maturity securities:in thousands
Corporate$110,584 $(1,377)$328 $(10)$110,912 $(1,387)
U.S. Treasury81,022 (644)2,943 (66)83,965 (710)
States and municipalities9,423 (126)— — 9,423 (126)
Foreign22,573 (146)— — 22,573 (146)
Asset-backed securities10,557 (47)— — 10,557 (47)
Mortgage-backed securities61,225 (768)— — 61,225 (768)
Total fixed maturity securities$295,384 $(3,108)$3,271 $(76)$298,655 $(3,184)

December 31, 2025
Less than 12 months12 months or longerTotal
Estimated fair valueGross unrealized lossesEstimated fair valueGross unrealized lossesEstimated fair valueGross unrealized losses
Fixed maturity securities:in thousands
Corporate$6,307 $(7)$9,461 $(108)$15,768 $(115)
U.S. Treasury35,150 (83)14,948 (78)50,098 (161)
States and municipalities880 (3)— — 880 (3)
Foreign17,009 (62)— — 17,009 (62)
Asset-backed securities1,771 (5)1,881 (37)3,652 (42)
Mortgage-backed securities10,312 (4)20,889 (279)31,201 (283)
Total fixed maturity securities$71,429 $(164)$47,179 $(502)$118,608 $(666)

The Company regularly reviews all fixed maturity securities within its investment portfolio to determine whether a credit loss has occurred. Based on the Company's review as of March 31, 2026 and December 31, 2025, unrealized losses were a result of interest rate changes, not a decline in the creditworthiness of the issuers. Accordingly, no allowance for credit loss was recorded as of March 31, 2026 and December 31, 2025.
Contractual maturities of available-for-sale fixed maturity securities

The following table summarizes the contractual maturities of the Company's available-for-sale investments as of March 31, 2026:

Amortized CostEstimated Fair Value
in thousands
Due in one year or less$73,564 $73,861 
Due after one year through five years304,782 305,173 
Due after five years through ten years103,650 103,615 
Due after ten years367 363 
Mortgage-backed and asset-backed securities188,559 190,088 
Total fixed maturity securities$670,922 $673,100 

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
Net investment income

The following table presents the components of "Net investment income" reported in the Condensed Consolidated Statements of Operations for the three months ended March 31, 2026 and 2025:

Three months ended March 31,
20262025
Interest income:in thousands
Cash and cash equivalents and restricted cash and cash equivalents$2,090 $2,160 
Fixed maturity securities8,143 6,985 
Total interest income10,233 9,145 
Dividends on equity securities 207 40 
Gross investment income10,440 9,185 
Investment expenses(177)(127)
Net investment income$10,263 $9,058 
Net realized and unrealized gains (losses) on investments

The table below presents the components of pre-tax "Net investment losses" reported in the Condensed Consolidated Statements of Operations, and the pre-tax change in net unrealized gains (losses) included in the Condensed Consolidated Statements of Comprehensive Income (Loss) for the three months ended March 31, 2026 and 2025. The gross amounts of realized investment gains and losses on fixed maturity securities were not material to the Condensed Consolidated Financial Statements and are presented on a net basis in the table below:

Three months ended March 31,
20262025
Fixed maturity securities:in thousands
Net realized investment gains$414 $215 
Equity securities:
Total change in fair value of equity securities(2,703)(530)
Net investment losses$(2,289)$(315)
Change in net unrealized gains (losses) on available-for-sale investments included in Other comprehensive income (loss):
Fixed maturity securities$(6,264)$5,098