Summary of Significant Accounting Policies - Other Intangible Assets (Details) |
3 Months Ended |
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Mar. 31, 2021
USD ($)
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| Accounting Policies [Abstract] | |
| Impairment of other intangible assets | $ 0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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