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FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of fair value of impaired notes receivable

			Level						June 30, 2021						December 31, 2020
Cash equivalents			2						$	67,155					$	177,912
Marketable securities			2						$	57,357					$	—
Notes receivable			2						$	5,906					$	2,937
Notes receivable impaired			3						$	—					$	875
Accounts receivable			2						$	4,377					$	3,901

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