Commitments and Contingencies - bpJV Capital Call Contribution (Details) - bpJV - ADG RNG Production Facilities - USD ($) $ in Millions		1 Months Ended
	Apr. 13, 2021	Dec. 31, 2021	Jan. 31, 2022	Jun. 21, 2021
Other Commitments [Line Items]
Investment commitment in joint venture	$ 30.0			$ 50.2
Initial contribution commitment	30.0
bp
Other Commitments [Line Items]
Investment commitment in joint venture	$ 50.0
Capital Contribution
Other Commitments [Line Items]
Capital call contribution amount		$ 143.2
Investment commitment in joint venture		71.6
Initial contribution commitment		20.0
Capital Contribution | Subsequent Event
Other Commitments [Line Items]
Investment commitment in joint venture			$ 51.6
Capital Contribution | bp
Other Commitments [Line Items]
Investment commitment in joint venture		71.6
Initial contribution commitment		$ 71.6