Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Accounts and other receivables, allowance for doubtful accounts (in dollars)	$ 1,814	$ 1,132
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01