Acquisition of Business (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
REVENUES	$ 376,088	$ 389,277
Goodwill	395,974		$ 395,974
Long-term Debt	1,497,830		1,479,077
Revolving Credit Facility [Member]
Business Acquisition [Line Items]
Long-term Debt	$ 160,000		$ 140,000