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Repurchase Program (Details) - USD ($)
1 Months Ended 3 Months Ended
Jan. 31, 2019
Mar. 31, 2019
Nov. 30, 2018
Equity, Class of Treasury Stock [Line Items]      
Shares repurchased, value   $ 5,013,000  
Share repurchase program      
Equity, Class of Treasury Stock [Line Items]      
Stock repurchase program, authorized amount     $ 100,000,000
Shares repurchased (in shares) 655,666 0  
Shares repurchased, value $ 5,000,000    
Stock repurchase program, remaining authorized repurchase amount   $ 95,000,000