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Fair Value Of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2020
Fair Value Of Financial Instruments [Abstract] |
Summary Of Assets Measured At Fair Value On Nonrecurring Basis |
|  | Carrying Value
|  | December 31,
| Level | 2020 |  | 2019
Leasehold improvements, property and equipment, net | 3 | $ | 4,682 |  | $ | 1,411
Operating lease assets | 3 |  | 10,372 |  |  | 4,270
Total |  | $ | 15,054 |  | $ | 5,681

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