Acquisition - Pro Forma Results of Operations (unaudited) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares
Business Acquisition [Line Items]
Revenues	$ 2,732,901
Net income	$ 74,949
Basic (in dollars per share) | $ / shares	$ 1.71
Diluted (in dollars per share) | $ / shares	$ 1.68
FRC Acquisition
Business Acquisition [Line Items]
Net income	$ 1,500
North Italia Acquisition
Business Acquisition [Line Items]
Net income	$ 92,000