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Leases - Lease Income (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 18, 2020
Mar. 11, 2020
Mar. 11, 2020
Leases [Abstract]      
Operating lease income $ 62 $ 213 $ 503
Sublease income 18 114 286
Variable lease income 5 33 109
Total lease income $ 85 $ 360 $ 898