Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for credit loss	$ 6,911	$ 9,255
Common shares, shares authorized (shares)	63,000,000	63,000,000
Common shares, shares issued (shares)	33,870,000	33,599,000
Preferred shares, shares authorized (shares)	1,000,000	1,000,000
Preferred shares, shares issued (shares)	0	0
Treasury shares, at cost (shares)	11,000	45,000