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Capital Stock - Schedule of Common Stock Activity (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Common Stock Activity [Roll Forward] |  |  |
Beginning balance (in shares) | 39,276,518 |  |
Beginning balance | $ 260,121 |  |
Stock options exercised (in shares) | 103,545 | 122,087 | 274,704
Stock option forfeitures (in shares) |  | (210) | (954)
Ending balance | $ 281,980 | $ 260,121 |
Ending balance (in shares) | 39,213,064 | 39,276,518 |
Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Beginning balance (in shares) | 62,081,391 | 62,081,391 | 62,081,391
Beginning balance | $ 260,121 | $ 242,693 | $ 229,127
Acquisition of noncontrolling interest in consolidated subsidiaries (Note 14) (in shares) | 0 |  |
Share repurchase program | $ 0 |  |
Ending balance | $ 281,980 | $ 260,121 | $ 242,693
Ending balance (in shares) | 62,081,391 | 62,081,391 | 62,081,391
Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Beginning balance (in shares) | 22,804,873 | 23,013,489 | 23,240,197
Beginning balance | $ (328,776) | $ (326,156) | $ (303,566)
Acquisition of noncontrolling interest in consolidated subsidiaries (Note 14) (in shares) | (251,408) |  |
Share repurchase program | $ (30,373) |  |
Ending balance | $ (359,838) | $ (328,776) | $ (326,156)
Ending balance (in shares) | 22,868,327 | 22,804,873 | 23,013,489
Restricted Stock | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock awards (in shares) | 0 | 0 | 0
Restricted stock awards | $ (711) | $ (762) | $ (773)
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 7,715 | $ 6,562 | $ 7,065
Restricted stock forfeitures (in shares) | 0 | 0 | 0
Restricted stock forfeitures | $ (1,227) | $ (765) | $ (807)
Restricted Stock | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock awards (in shares) | 52,810 | 53,934 | 55,691
Restricted stock awards | $ 711 | $ 762 | $ 773
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 0 | $ 0 | $ 0
Restricted stock forfeitures (in shares) | 0 | 0 | 0
Restricted stock forfeitures | $ 0 | $ 0 | $ 0
Stock options | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 49 | $ 90 | $ 153
Restricted stock forfeitures |  | $ (9) | $ (40)
Stock options exercised (in shares) | 0 | 0 | 0
Stock options exercised | $ 3,021 | $ 4,003 | $ 8,590
Stock option forfeitures (in shares) |  | 0 | 0
Stock options | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 0 | $ 0 | $ 0
Restricted stock forfeitures |  | $ 0 | $ 0
Stock options exercised (in shares) | 103,545 | 122,119 | 274,672
Stock options exercised | $ 1,629 | $ 1,767 | $ 3,856
Stock option forfeitures (in shares) |  | 0 | 0
Performance stock | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 15,843 | $ 13,227 | $ 1,305
Restricted stock forfeitures (in shares) | 0 |  | 0
Restricted stock forfeitures | $ (2,730) |  | $ (755)
Performance stock issued (in shares) | 0 | 0 | 0
Performance stock issued | $ (880) | $ (939) | $ (1,826)
Performance stock | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Restricted stock expense (in shares) | 0 | 0 | 0
Restricted stock expense | $ 0 | $ 0 | $ 0
Restricted stock forfeitures (in shares) | 0 |  | 0
Restricted stock forfeitures | $ 0 |  | $ 0
Performance stock issued (in shares) | 55,447 | 64,543 | 134,824
Performance stock issued | $ 880 | $ 939 | $ 1,826
Employee Stock Purchase Plan | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Employee stock purchase plan (in shares) | 0 | 0 | 0
Employee stock purchase plan | $ 779 | $ 772 | $ 654
Employee Stock Purchase Plan | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Employee stock purchase plan (in shares) | 7,412 | 5,730 | 6,494
Employee stock purchase plan | $ 112 | $ 83 | $ 93
Treasury shares purchased | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Purchase of treasury shares (in shares) | 0 | 0 | 0
Treasury shares purchased | $ 0 | $ 0 | $ 0
Treasury shares purchased | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Purchase of treasury shares (in shares) | (31,260) | (37,710) | (69,973)
Treasury shares purchased | $ (4,021) | $ (6,171) | $ (9,025)
Share repurchase program | Common stock |  |  |
Common Stock Activity [Roll Forward] |  |  |
Purchase of treasury shares (in shares) |  | 0 | 0
Treasury shares purchased |  | $ (4,751) | $ 0
Share repurchase program | Treasury Cost |  |  |
Common Stock Activity [Roll Forward] |  |  |
Purchase of treasury shares (in shares) |  | 0 | (175,000)
Treasury shares purchased |  | $ 0 | $ (20,113)

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