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Fair Value (Notes)
9 Months Ended
Sep. 30, 2023
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block] Fair Value
Fair Value Disclosures - Investments
The following table summarizes, by major security type, the Company's assets that are measured at fair value on a recurring basis, and placement within the fair value hierarchy (in thousands):
As of September 30, 2023
Fair ValueLevel 1Level 2Level 3
Assets
Money market funds$1,764 $1,764 $— $— 
Fixed maturities:
Mortgage-backed securities and collateralized mortgage obligations7,195 — 7,195 — 
Other asset-backed securities12,265 — 12,265 — 
Corporate bonds36,293 — 36,293 — 
Foreign deposits10,437 10,437 — — 
U.S. Treasury securities43,332 — 43,332 — 
Preferred stock in variable interest entity4,115 — — 4,115 
Total$115,401 $12,201 $99,085 $4,115 
As of December 31, 2022
Fair ValueLevel 1Level 2Level 3
Assets
Money market funds$1,633 $1,633 $— $— 
Fixed maturities:
Mortgage-backed securities and collateralized mortgage obligations7,918 — 7,918 — 
Other asset-backed securities11,209 — 11,209 — 
Corporate bonds37,531 — 37,531 — 
Foreign deposits7,683 7,683 — — 
Municipal bond994 — 994 — 
U.S. Treasury securities42,647 — 42,647 — 
Preferred stock in variable interest entity4,115 — — 4,115 
Total$113,730 $9,316 $100,299 $4,115 
The Company measures the fair value of money market funds and foreign deposits, classified as Level 1, based on quoted prices in active markets for identical assets. The Company's fixed maturity investments classified as either Level 1 or Level 2 in the above tables are priced exclusively by external sources, including pricing vendors, dealers/market makers, and exchange-quoted prices. The fair value of the Company's fixed maturity investments classified as Level 2 is based on either recent trades in inactive markets or quoted market prices of similar instruments and other significant inputs derived from or corroborated by observable market data. Held-to-maturity investments are carried at amortized cost and the fair value and changes in unrealized gains (losses) are disclosed in Note 4, Investments. The fair value of these investments is determined in the same manner as available-for-sale securities and are considered either a Level 1 or Level 2 measurement.
The Company's preferred stock investment in the variable interest entity (see Note 5) is accounted for as an available-for-sale debt security, and measured at fair value at each balance sheet date. The estimated fair value of the preferred stock investment is a Level 3 measurement, and is based on certain unobservable inputs such as the value of the underlying enterprise, volatility, time to liquidity, and market interest rates. An increase or decrease in any of these unobservable inputs would result in a change in the fair value measurement. The estimated fair value was $4.1 million as of September 30, 2023, unchanged from December 31, 2022, and is recorded in other long-term assets on the Company's consolidated balance sheet. This investment has maintained an unrealized loss position of $2.9 million for less than twelve months.
Fair Value Disclosures - Other Assets and Liabilities
The Company's other long-term assets balance also included notes receivable of $7.5 million and $9.3 million as of September 30, 2023 and December 31, 2022, respectively, recorded at their estimated collectible amount. The Company estimates that the carrying value of the notes receivable approximates the fair value. The estimated fair value represents a Level 3 measurement within the fair value hierarchy, and is based on market interest rates and the assessed creditworthiness of the third party.
The Company estimates the fair value of long-term debt based upon rates currently available to the Company for debt with similar terms and remaining maturities. This is a Level 3 measurement. Based upon the terms of the debt, the carrying amount of long-term debt approximated fair value at September 30, 2023.
The Company recognizes transfers between levels of the fair value hierarchy on the date of the event or change in circumstances that caused the transfer. There were no transfers between levels for the nine months ended September 30, 2023 and the year ended December 31, 2022.