CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Accounts and notes receivable, less current expected credit loss (in dollars)	$ 5,918	$ 3,626
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	199,000,000	199,000,000
Common stock, shares issued (in shares)	69,500,000	68,600,000
Treasury stock, shares (in shares)	4,500,000	4,800,000