SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash Flows (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Cash and cash equivalents	$ 305,635	$ 321,097	$ 120,685	$ 90,058
Restricted cash	42,812	19,432	8,677	20,821
Pledged cash and cash equivalents (NOTE 9)	44,733	17,473	7,204	9,469
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$ 393,180	$ 358,002	$ 136,566	$ 120,348