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Net Income Per Share (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Earnings Per Share [Abstract] |  |  |
Net income | $ 124,080 | $ 138,237 | $ 151,099
Less distributed and undistributed earnings allocated to participating securities | 210 | 782 | 1,759
Net income allocated to common shares | $ 123,870 | $ 137,455 | $ 149,340
Weighted average common shares outstanding | 38,431 | 38,503 | 40,186
Incremental shares from assumed time-vested and performance-based RSU awards and conversions of common stock options | 471 | 317 | 166
Adjusted weighted average common shares outstanding | 38,902 | 38,820 | 40,352
Potentially dilutive securities not included in weighted average share calculation due to anti-dilutive effect | 0 | 133 | 0

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