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Stock-Based Compensation Plans - Schedule of Future Share Settlements (Detail) - 2013 Omnibus Equity Incentive Plan [Member] - Deferred stock units [Member]	Jun. 30, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2021	60,373
2022	281,193
Total	341,566

X

- Definition

Fully vested deferred stock units remaining outstanding.

+ References

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- Definition

Fully vested deferred stock units reserved for future issuance in year one.

+ References

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- Definition

Fully Vested Deferred Stock Units Reserved For Future Issuance In Year Two.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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