Long-Term Investment (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Investment

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

	December 31, 2023
	Cash and Cash		Long-Term
Measured at fair value:	Equivalents		Investment
Available-for-sale debt securities:
Money Market Funds	$	209,489	$	—
Failed Auction Security		—		2,530
Total		209,489		2,530
Other measurement basis:
Cash on hand		32,730		—
Total	$	242,219	$	2,530

	December 31, 2022
	Cash and Cash		Long-Term
Measured at fair value:	Equivalents		Investment
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
December 31, 2023	Cost		Gains		Losses		Value
Failed Auction Security	$	3,000	$	—	$	470	$	2,530
December 31, 2022
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 December 31, 2023, by type and contractual maturities, are shown below (in thousands):

Failed Auction Security:

			Estimated
	Cost		Fair Value
Due in nineteen years	$	3,000	$	2,530