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Equity - Share Repurchase Program - Additional Information (Details) - 2017 Share Repurchase Program - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2017
Aug. 31, 2019
Aug. 31, 2019
Equity Class Of Treasury Stock [Line Items]      
Stock repurchase program, period in force 3 years    
Stock repurchase Program, authorized amount $ 300,000    
Number of shares repurchased   840,000 840,000
Value of shares repurchased   $ 81,172 $ 81,172
Stock repurchase program, number of shares repurchased   0 160,000
Stock repurchase program, value of shares repurchased     $ 15,184