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Stock-Based Compensation Plans - Amendments to Restricted Stock and SARs - Additional Information (Detail) - shares |  | 6 Months Ended
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Nov. 05, 2013 | Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vested shares |  | 225,557
Deferred stock units [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
DSU settlement to common stock percentage | 20.00% |
DSU settlement into actual stock issued term | 5 years |
Employee termination age | 67 years |
Percentage of shares of deferred stock units settled in the event of death or termination after reaching age 67 | 100.00% |
Share Based Compensation Arrangement By Share Based Payment Award Stock Appreciation Rights Offering Date | Mar. 31, 2013 |
Deferred stock units [Member] | 2013 Omnibus Equity Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Fully vested deferred stock units remaining outstanding |  | 114,744
Vested shares |  | 166,449
Number of common stock shares withheld to pay employee statutory withholding taxes |  | 78,615

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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