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Stock Compensation, Earnings per Share, and Dividends - Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]                      
Income from continuing operations $ (3,137) $ 6,495 $ 1,626 $ 2,945 $ 1,539 $ 985 $ (893) $ (55) $ 7,929 $ 1,576 $ 1,932
Total income from discontinued operations, net of tax         47,675 33,509 29,784 13,129 990,902 124,097 53,568
Net income $ 1,401 $ 892,821 $ 53,192 $ 51,417 $ 49,214 $ 34,494 $ 28,891 $ 13,074 $ 998,831 $ 125,673 $ 55,500
Basic weighted average shares outstanding (in shares)                 50,026 49,901 49,811
Basic net income per share - continuing operations (in dollars per share) $ (0.06) $ 0.13 $ 0.03 $ 0.06 $ 0.03 $ 0.02 $ (0.02) $ 0 $ 0.16 $ 0.03 $ 0.04
Basic net income per share - discontinued operations (in dollars per share) 0.09 17.73 1.04 0.97 0.96 0.67 0.60 0.26 19.81 2.49 1.07
Basic net income per share (in dollars per share) 0.03 17.86 1.07 1.03 0.99 0.69 0.58 0.26 $ 19.97 $ 2.52 $ 1.11
Effect from dilutive shares and options outstanding (in shares)                 123 123 290
Weighted average shares outstanding, diluted (in shares)                 50,149 50,024 50,101
Diluted net income per share - continuing operations (in dollars per share) (0.06) 0.13 0.03 0.06 0.03 0.02 (0.02) 0 $ 0.16 $ 0.03 $ 0.04
Diluted net income per share - discontinued operations (in dollars per share) 0.09 17.68 1.03 0.97 0.95 0.67 0.60 0.26 19.76 2.48 1.07
Diluted net income per share (in dollars per share) $ 0.03 $ 17.81 $ 1.06 $ 1.03 $ 0.98 $ 0.69 $ 0.58 $ 0.26 $ 19.92 $ 2.51 $ 1.11