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Capital Stock - Schedule of Common Stock Activity (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Common Stock |  |
Common Stock Activity [Roll Forward] |  |
Beginning balance | $ 281,980 | $ 260,121
Stock compensation expense | 6,270 | 3,730
Ending balance | 287,009 | 262,627
Treasury Cost |  |
Common Stock Activity [Roll Forward] |  |
Beginning balance | (359,838) | (328,776)
Stock compensation expense | 0 | 0
Ending balance | (362,280) | (331,160)
Restricted and performance stock awards | Common Stock |  |
Common Stock Activity [Roll Forward] |  |
Restricted and performance stock awards | (1,244) | (1,260)
Restricted and performance stock awards | Treasury Cost |  |
Common Stock Activity [Roll Forward] |  |
Restricted and performance stock awards | 1,244 | 1,260
Stock options exercised | Common Stock |  |
Common Stock Activity [Roll Forward] |  |
Stock compensation expense | 3 | 36
Stock options exercised | Treasury Cost |  |
Common Stock Activity [Roll Forward] |  |
Stock compensation expense | 1 | 15
Treasury shares purchased for stock compensation programs | Common Stock |  |
Common Stock Activity [Roll Forward] |  |
Treasury shares purchased for stock compensation programs | 0 | 0
Treasury shares purchased for stock compensation programs | Treasury Cost |  |
Common Stock Activity [Roll Forward] |  |
Treasury shares purchased for stock compensation programs | $ (3,687) | $ (3,659)

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