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Fair Value Of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Fair Value Of Financial Instruments [Abstract]
Summary Of Assets Measured At Fair Value On Nonrecurring Basis	Carrying Value December 31, Level2021 2020Leasehold improvements, property and equipment, net3$ 1,041 $ 4,682Operating lease assets3 2,791 10,372Total $ 3,832 $ 15,054

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