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Leases - Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Lease Cost [Abstract]        
Operating lease expense $ 1,315 $ 981 $ 3,943 $ 2,984
Short-term lease expense 170 275 624 831
Variable lease expense [1] 139 126 426 416
Total lease expense $ 1,624 $ 1,382 $ 4,993 $ 4,231
[1] Variable lease expense for the three and nine months ended March 31, 2021 and 2020 primarily included common area maintenance charges.