Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance for doubtful accounts	$ 6,419	$ 4,944
Common shares, par value	$ 0.10	$ 0.10
Common shares, authorized	50,000,000	50,000,000
Common shares, issued	20,162,000	19,837,000
Common shares, outstanding	20,162,000	19,837,000