XML 65 R56.htm IDEA: XBRL DOCUMENT v3.22.1
Long-lived Tangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Segment Reporting [Abstract]      
Accumulated depreciation $ 170.5   $ 165.9
Depreciation $ 5.1 $ 5.5