Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Cash Flows [Abstract]
Interest, net of capitalized interest of $0.9 million, $0.4 million and $1.5 million in the 2021, 2020 and 2019 periods, respectively	$ 0.9	$ 0.4	$ 1.5