CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 759	$ 842
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	230,000,000	230,000,000
Common shares, issued (in shares)	38,034,389	36,182,783
Common shares, outstanding (in shares)	38,034,389	36,182,783