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Fair Value Measurements and Derivative Instruments (Tables)
6 Months Ended
Jun. 30, 2025
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis The following tables show, by level within the fair value hierarchy, our financial assets and liabilities that are accounted for at fair value on a recurring basis.
June 30, 2025
Level 1Level 2Level 3Total
Assets:    
Money market funds $6,884 $77,001 $ $83,885 
Equity securities 11,941  11,941 
Commingled fixed income securities1,666 524  2,190 
Government and related securities
2,377 12,786  15,163 
Corporate debt securities 43,299  43,299 
Mortgage-backed / asset-backed securities 90,366  90,366 
Total assets$10,927 $235,917 $ $246,844 

December 31, 2024
Level 1Level 2Level 3Total
Assets:    
Money market funds $6,435 $140,125 $— $146,560 
Equity securities— 12,518 — 12,518 
Commingled fixed income securities1,612 534 — 2,146 
Government and related securities
2,334 13,410 — 15,744 
Corporate debt securities — 42,159 — 42,159 
Mortgage-backed / asset-backed securities— 98,464 — 98,464 
Total assets$10,381 $307,210 $— $317,591 
Schedule of Available-for-sale Securities Reconciliation
Available-for-sale securities consisted of the following:
June 30, 2025
Amortized costGross unrealized gainsGross unrealized lossesEstimated fair value
Government and related securities$21,384 $1 $(6,222)$15,163 
Corporate debt securities49,876  (6,577)43,299 
Commingled fixed income securities1,860  (194)1,666 
Mortgage-backed / asset-backed securities111,460  (21,094)90,366 
Total$184,580 $1 $(34,087)$150,494 
December 31, 2024
Amortized costGross unrealized lossesEstimated fair value
Government and related securities$21,432 $(5,688)$15,744 
Corporate debt securities50,367 (8,208)42,159 
Commingled fixed income securities1,835 (223)1,612 
Mortgage-backed / asset-backed securities123,289 (24,825)98,464 
Total$196,923 $(38,944)$157,979 
Schedule of Available-for-sale Securities
The fair value of available-for-sale securities is reported on our Condensed Consolidated Balance Sheet as follows:
June 30, 2025December 31, 2024
Short-term investments
$3,922 $3,926 
Other assets
146,572 154,053 
Total$150,494 $157,979 
Scheduled maturities of available-for-sale securities at June 30, 2025 were as follows:
Amortized costEstimated fair value
Within 1 year$4,115 $3,922 
After 1 year through 5 years21,035 18,947 
After 5 years through 10 years25,984 22,729 
After 10 years133,446 104,896 
Total$184,580 $150,494 
Schedule of Unrealized Holding Losses
Investment securities in a loss position were as follows:
June 30, 2025December 31, 2024
Fair ValueGross unrealized lossesFair ValueGross unrealized losses
Greater than 12 continuous months
Government and related securities$15,163 $6,222 $15,744 $5,688 
Corporate debt securities43,299 6,577 39,845 8,206 
Commingled fixed income securities1,666 194 — — 
Mortgage-backed / asset-backed securities90,366 21,094 98,464 24,825 
Total$150,494 $34,087 $154,053 $38,719 
Less than 12 continuous months
Corporate debt securities$ $ $2,314 $
Commingled fixed income securities  1,612 223 
Total$ $ $3,926 $225 
Schedule of Fair Value, by Balance Sheet Grouping
The carrying value and estimated fair value of debt was as follows:
June 30, 2025December 31, 2024
Carrying value$1,896,715 $1,919,708 
Fair value$1,811,613 $1,823,430