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LEASES - Narrative (Details) ft² in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 31, 2024 USD ($) installment | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2024 USD ($) ft² term | Sep. 01, 2024
Leases |  |  |  |  |  |
Option to terminate period (in years) |  | 1 year |  |  |  |
Right of use assets obtained in exchange for lease liabilities |  | $ 8.3 | $ 26.7 |  |  |
Additional operating lease liabilities |  | 8.3 |  |  |  |
Minimum lease payments |  | $ 167.7 |  |  |  |
Office Space In Lenexa, Kansas |  |  |  |  |  |
Leases |  |  |  |  |  |
Reduction fee | $ 1.3 |  |  |  |  |
Number of installments, reduction fee payable | installment | 2 |  |  |  |  |
Right of use asset, decrease due to reduction in lease term |  |  | 10.3 |  |  |
Decrease in operating lease of lease liabilities due to reduction in lease term |  |  | 11.0 |  |  |
Office Space In Overland Park, Kansas |  |  |  |  |  |
Leases |  |  |  |  |  |
Renewal term (in years) |  |  |  |  | 60 months |
Square feet of office space | ft² |  |  |  |  | 60 |
Term of contract (in years) |  |  |  |  |  | 129 months
Number of terms available to renew | term |  |  |  |  | 2 |
Minimum lease payments |  |  |  |  | $ 12.0 |
Minimum |  |  |  |  |  |
Leases |  |  |  |  |  |
Renewal term (in years) |  | 1 year |  |  |  |
Maximum |  |  |  |  |  |
Leases |  |  |  |  |  |
Renewal term (in years) |  | 5 years |  |  |  |
Option to terminate period (in years) |  | 1 year |  |  |  |
Other Income | Office Space In Lenexa, Kansas |  |  |  |  |  |
Leases |  |  |  |  |  |
Gain on lease termination |  |  | 0.7 |  |  |
Technology support services |  |  |  |  |  |
Leases |  |  |  |  |  |
Rent expense |  | $ 37.9 | $ 37.1 | $ 34.5 |  |

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