DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue timing (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue recognition		$ 316,385	$ 216,136	$ 208,475
Performance obligations satisfied in prior periods		2,200
Deferred revenue		0	100
Revenue recognized		100	100
Tripartite Agreement-Yescart
Revenue recognition	$ 11,200
Performance obligations transferred at a point in time
Revenue recognition		313,436	214,826	206,617
Performance obligations transferred over time
Revenue recognition		$ 2,949	$ 1,310	$ 1,858