Interest and Other Income (Loss), net - Schedule Of Interest And Other Income (Loss), net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest And Other Income [Abstract]
Interest and other income	$ 5,484	$ 5,384	$ 1,256
Mark-to-market of investments in our deferred compensation plans	3,906	(922)	5,114
Preferred equity investment income	454	3,655	4,187
Valuation allowance on preferred equity investment			(19,588)
Total interest and other income (loss), net	$ 9,844	$ 8,117	$ (9,031)