Stock-Based Compensation Plans - SARs and DSUs (Detail) - shares |
12 Months Ended | |||
|---|---|---|---|---|
Nov. 05, 2013 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Vested shares (in shares) | 306,276 | 277,253 | 284,503 | |
| Deferred stock units | ||||
| 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% | |||
| Deferred stock units | 2013 Omnibus Equity Incentive Plan | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Vested shares (in shares) | 281,193 | |||
| X | ||||||||||
- Definition Settlement of DSUs to actual common stock percentage. No definition available.
|
| X | ||||||||||
- Definition Settlement of DSUs to actual common stock term. No definition available.
|
| X | ||||||||||
- Definition Employee Termination Age No definition available.
|
| X | ||||||||||
- Definition Percentage of deferred stock units settled in the event of death or employment termination after reaching the age of 67. No definition available.
|
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|