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Acquisition - Unaudited Pro forma Consolidated Results of Operations (Details) - Nonstop Delivery L L C [Member]
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
$ / shares
Business Acquisition [Line Items]  
Revenue | $ $ 854,960
Net Income | $ $ 13,789
Earnings per share  
Basic | $ / shares $ 0.42
Diluted | $ / shares $ 0.41