Stock-Based Compensation - Summary Of Active Performance-Based Long-Term Incentive Plans (Detail)	Jun. 30, 2021 shares
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	878,343
Target
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	504,590
2019 LTIP [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	295,325
2019 LTIP [Member] | Share Price On Grant Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	5.27
2019 LTIP [Member] | Target
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	171,437
2020 LTIP [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	254,256
2020 LTIP [Member] | Share Price On Grant Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	8.70
2020 LTIP [Member] | Target
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	145,289
2021 LTIP [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	328,762
2021 LTIP [Member] | Share Price On Grant Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	8.15
2021 LTIP [Member] | Target
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares reserved	187,864