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Stockholders' Equity - Incentive and Other (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended 156 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Nov. 19, 2019
Mar. 29, 2007
Share Repurchase Program          
Share repurchase $ 8,985 $ 3,321      
Stock Repurchase Program 2007          
Share Repurchase Program          
Number of shares of outstanding common stock authorized to be acquired under a stock repurchase program 9.5   9.5 0.8 1.0
Share repurchase (in shares) 0.2   8.9    
Average price (in dollars per share) $ 37.85   $ 18.24    
Share repurchase $ 9,000