Interest and Other Income, net - Schedule Of Interest And Other Income (Loss), net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest And Other Income [Abstract]
Interest income, net	$ 2,054	$ 5,484	$ 5,203
Mark-to-market of investments in our deferred compensation plans	2,436	3,906	(922)
Preferred equity investment income		454	3,655
Total interest and other income, net	$ 4,490	$ 9,844	$ 7,936

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration