REVENUE, DEFERRED REVENUE, AND REMAINING PERFORMANCE OBLIGATIONS - Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total revenue	$ 214,343	$ 184,358	$ 423,616	$ 334,494
United States
Segment Reporting Information [Line Items]
Total revenue	129,461	119,385	256,653	217,303
All other countries
Segment Reporting Information [Line Items]
Total revenue	$ 84,882	$ 64,973	$ 166,963	$ 117,191

Amount, excluding 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

Cornerstone OnDemand Inc 10-Q