BUSINESS SEGMENT INFORMATION - Geographic (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Segment information:
Total revenues	$ 182,610	$ 243,777
United States
Segment information:
Total revenues	172,929	227,994
International
Segment information:
Total revenues	$ 9,681	$ 15,783

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details