Equity and Other Investments and Fair Value Measurements - Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024		Dec. 31, 2023
Available-for-Sale Securities
Amortized Cost	$ 151,836		$ 170,706
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Estimated Fair Value	151,836		170,706
Credit loss	0		0
Money market funds
Available-for-Sale Securities
Amortized Cost	151,836	[1]	170,706	[2]
Gross Unrealized Gains	0	[1]	0	[2]
Gross Unrealized Losses	0	[1]	0	[2]
Estimated Fair Value	$ 151,836	[1]	$ 170,706	[2]

[1] Money market funds are included in cash and cash equivalents in the condensed consolidated balance sheets.

[2] Money market funds are included in cash and cash equivalents in the condensed consolidated balance sheets