PURCHASE OF BUILDING	9 Months Ended
	Sep. 30, 2021
Property, Plant and Equipment [Abstract]
PURCHASE OF BUILDING	PURCHASE OF BUILDINGOn January 22, 2021, the Company purchased an office building located in Richmond, Virginia (the "Richmond building"), together with the land and assumed an existing lease for a purchase price of $131 million, inclusive of property taxes, title insurance and other transaction costs. The purchase of the Richmond building was accounted for as an asset acquisition, including an intangible asset for the assumed lease. For the three and nine months ended September 30, 2021, the net impact from the lease arrangement is recorded in other (expense) income on the condensed consolidated statements of operations and was not material to the Company.