Long-Term Investments (Tables)

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Investment

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

	March 31, 2023
	Cash and Cash Equivalents		Long-Term Investment
Measured at fair value:
Available-for-sale debt securities:
Money market funds	$	144,725	$	—
Failed Auction Security		—		2,631
Total		144,725		2,631
Other measurement basis:
Cash on hand		48,172		—
Total	$	192,897	$	2,631
	December 31, 2022
	Cash and Cash Equivalents		Long-Term 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):

March 31, 2023	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Failed Auction Security	$	3,000		—		369	$	2,631

December 31, 2022	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair 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 March 31, 2023, by type and

contractual maturities, are shown below (in thousands):

	Cost		Estimated Fair Value
Failed Auction Security:
Due in twenty years	$	3,000	$	2,631