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Stockholders' Equity - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2021
Jun. 30, 2020
Oct. 31, 2017
Jul. 31, 2017
Maximum [Member]          
Equity Class Of Treasury Stock [Line Items]          
Stock repurchase program, number of outstanding shares authorized to repurchase       966,000 905,000
July 2017 Stock Repurchase Program [Member]          
Equity Class Of Treasury Stock [Line Items]          
Stock repurchase program, number of shares repurchased 0 0 0    
Stock repurchase program, remaining available for repurchase 903,636 903,636