Significant Accounting Policies - Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Accounting Policies [Abstract]
Accumulated other comprehensive loss	$ (51,084,000)		$ (51,084,000)		$ (35,068,000)
Tax from unrealized losses on marketable securities			100,000		$ 100,000
Reclassifications from AOCI	$ 0	$ 0	$ 0	$ 0