STOCK INCENTIVE PLANS - Stock-Based Compensation by Award Type (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Share-based payment arrangement, expense
Total stock-based compensation	$ 8,439	$ 10,661
Less: stock-based compensation capitalized as software development costs	(915)	(657)
Total stock-based compensation expense	7,524	10,004
Software Development
Share-based payment arrangement, expense
Less: stock-based compensation capitalized as software development costs	(915)	(657)
Matching Plan shares
Share-based payment arrangement, expense
Total stock-based compensation	1,430	249
Restricted stock units
Share-based payment arrangement, expense
Total stock-based compensation	6,260	9,512
Stock options
Share-based payment arrangement, expense
Total stock-based compensation	$ 749	$ 900

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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