Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current maturities of long-term debt	$ 15,505	$ 65,505
Long-term debt, net	$ 2,006,582	$ 1,482,619
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	94,408,378	94,044,203
Treasury stock, shares	16,260,248	15,790,463
Revolving Credit Facility [Member]
Current maturities of long-term debt		$ 50,000
Long-term debt, net	$ 311,000