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Share-Based Compensation - Summary of Activity Related to Stock Options Granted under Plan (Detail)
9 Months Ended
Mar. 31, 2020
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Number of Options, outstanding beginning balance | shares 1,339,293
Number of Options, outstanding ending balance | shares 1,339,293
Number of Option, Exercisable | shares 267,859
Weighted-Average Exercise Price, Option outstanding beginning balance | $ / shares $ 19.04
Weighted-Average Exercise Price, Option outstanding ending balance | $ / shares 19.04
Weighted-Average Exercise Price, Exercisable | $ / shares $ 19.04
Weighted-Average Remaining Contractual Years, Option outstanding 8 years 7 months 6 days
Weighted-Average Remaining Contractual Years, Exercisable 8 years 7 months 6 days