Significant Accounting Policies - Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Accounting Policies [Abstract]
Accumulated other comprehensive loss	$ (60,754,000)		$ (34,247,000)
Tax from unrealized losses on marketable securities	100,000		$ 100,000
Reclassifications from AOCI	$ 0	$ 0