XML 32 R17.htm IDEA: XBRL DOCUMENT v3.22.0.1
Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information 
 Years Ended December 31,
 202120202019
Supplemental disclosures:(in thousands)
Interest paid$— $— $— 
Income taxes paid, net7,891 13,754 2,172 
Non-cash investing and financing activities:
Non-cash capital expenditures(3,714)2,843 863