XML 66 R53.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies - Dividends Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 16, 2021
Dec. 17, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Nov. 04, 2021
Accounting Policies [Abstract]            
Dividends payable (in dollars per share)           $ 0.01
Payment of dividends $ 3.8 $ 3.3 $ 3.8 $ 3.3 $ 0.0