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Stock Repurchases (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Jul. 31, 2018
Equity [Abstract]      
Number of shares authorized to be repurchased (in shares)     2,000,000
Shares repurchased (in shares) 0 233,249  
Shares repurchased, value   $ 3.9