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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Restricted cash | $ 9,500,000 | $ 8,800,000 | $ 9,500,000
Restricted cash, current | 8,600,000 | 1,200,000 |
Restricted cash, non current | $ 900,000 | 7,600,000 |
Lease extension term | 10 years |  |
Unamortized internal-use technology costs | $ 3,400,000 | 4,600,000 |
Revenue recognized | 18,500,000 | 7,200,000 | 22,100,000
Recognized revenue due to a retroactive coverage change | 3,000,000.0 |  |
Capitalized costs incurred to obtain or fulfill contract | 0 |  |
Advertising costs | 10,300,000 | 8,500,000 | $ 5,300,000
Foreign currency transaction loss | $ 1,100,000 | 3,400,000 |
Minimum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Remaining lease terms | 1 year |  |
Maximum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Remaining lease terms | 14 years |  |
Internal-use software |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Unamortized software costs | $ 22,700,000 | $ 11,900,000 |
Equipment | Minimum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Estimated useful lives (in years) | 5 years |  |
Equipment | Maximum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Estimated useful lives (in years) | 7 years |  |
Leasehold improvements | Minimum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Estimated useful lives (in years) | 4 years |  |
Leasehold improvements | Maximum |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Estimated useful lives (in years) | 14 years |  |
Government Contracts Concentration Risk | Medicare | Revenue from Contract with Customer Benchmark |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Concentration risk (in percent) | 12.00% | 12.00% | 14.00%
Medicare | Medicare | Accounts Receivable |  |  |
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |
Concentration risk (in percent) | 18.00% | 12.00% |

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