Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance for doubtful accounts	$ 6,735	$ 2,171
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	29,000,000	29,000,000
Common Stock, Shares, Issued	19,912,362	19,845,205
Common Stock, Shares, Outstanding	19,912,362	19,845,205