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CAPITALIZED FEES PAID - Schedule of Capitalized Fees Paid (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Capitalized Fees paid |  |  |
Gross carrying value | $ 220,000 | $ 220,000 |
Accumulated amortization | (122,393) | (108,570) |
Net carrying value | $ 97,607 | 111,430 |
Weighted average remaining amortization period | 7 years 1 month 6 days |  |
Capitalized Fees paid, Future amortization |  |  |
Estimated amortization for the year 2023 | $ 13,800 |  |
Estimated amortization for the year 2024 | 13,800 |  |
Estimated amortization for the year 2025 | 13,800 |  |
Estimated amortization for the year 2026 | 13,800 |  |
Estimated amortization for the year 2027 | 13,800 |  |
Estimated amortization after 2027 | 28,600 |  |
Royalty revenue |  |  |
Capitalized Fees paid |  |  |
Amortization expense | 13,823 | 13,823 | $ 13,823
United States |  |  |
Capitalized Fees paid |  |  |
Gross carrying value | 120,000 | 120,000 |
Europe |  |  |
Capitalized Fees paid |  |  |
Gross carrying value | 60,000 | 60,000 |
Japan |  |  |
Capitalized Fees paid |  |  |
Gross carrying value | $ 40,000 | $ 40,000 |

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- Definition Amount of estimated amortization for assets expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of estimated amortization for assets expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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