Long-Term Investments (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Investment

Details of our investments are as follows (in thousands):

	June 30, 2023
	Cash and Cash		Long-Term
	Equivalents		Investment
Measured at fair value:
Available-for-sale debt securities:
Money market funds	$	146,425	$	—
Failed Auction Security		—		2,591
Total		146,425		2,591
Other measurement basis:
Cash on hand		57,404		—
Total	$	203,829	$	2,591

	December 31, 2022
	Cash and Cash		Long-Term
	Equivalents		Investment
Measured at fair value:
Available-for-sale debt securities:
Money market funds	$	143,274	$	—
Failed Auction Security		—		2,622
Total		143,274		2,622
Other measurement basis:
Cash on hand		47,337		—
Total	$	190,611	$	2,622

Summary of Available-for-Sale Securities

The following is a summary of the available-for-sale securities (in thousands):

			Gross		Gross		Estimated
			Unrealized		Unrealized		Fair
June 30, 2023	Cost		Gains		Losses		Value
Failed Auction Security	$	3,000		—		409	$	2,591

			Gross		Gross		Estimated
			Unrealized		Unrealized		Fair
December 31, 2022	Cost		Gains		Losses		Value
Failed Auction Security	$	3,000		—		378	$	2,622

Cost and Estimated Fair Value of Failed Auction Security by Contractual Maturities

The amortized cost and estimated fair value of the available-for-sale securities on June 30, 2023, by type and contractual maturities, are shown below (in thousands):

			Estimated
	Cost		Fair Value
Failed Auction Security:
Due in twenty years	$	3,000	$	2,591