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REVENUE RECOGNITION - Summary of Significant Changes in the Balances of Contract Liabilities and Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Contract Assets
Balance, beginning of period	$ 69,865
Amount recognized	(21,894)
Increase	45,120
Balance, end of period	93,091
Contract Liabilities
Balance, beginning of period	173,138
Revenue recognized	(64,793)
Increase due to billings	141,511
Balance, end of period	$ 249,856

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 606
-SubTopic 10
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