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BUSINESS ACQUISITION - Changes in Contingent Consideration (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |
Change in fair value of contingent consideration | $ (8,249) | $ 5,327 | $ 28,402
QuoteWizard |  |  |
Business Acquisition [Line Items] |  |  |
Change in fair value of contingent consideration | (8,249) | 3,980 | 27,103
Ovation |  |  |
Business Acquisition [Line Items] |  |  |
Change in fair value of contingent consideration | 0 | 1,270 | 26
SnapCap |  |  |
Business Acquisition [Line Items] |  |  |
Change in fair value of contingent consideration | 0 | 77 | 2,220
DepositAccounts |  |  |
Business Acquisition [Line Items] |  |  |
Change in fair value of contingent consideration | $ 0 | $ 0 | $ (947)

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479 + Details
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