Shareholders' Equity and Non-Controlling Interests NCI Narrative (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 26, 2020
Class of Stock [Line Items]
USCo2 Ownership of HSCP	0.57%				0.57%
USCo2 Voting Shares held by Pubco	70.00%				70.00%
USCo2 non-voting shares	30.00%				30.00%
HSCP ownership by LLC members	18.63%				18.63%
HSCP owned by Pubco	80.80%				80.80%
NCI adjustments for changes in ownership, value	$ 0	$ 0	$ 0	$ 0	$ 5,587,000	$ 12,180,000
NCI-related cash settlements						$ 4,278
Noncontrolling Interest
Class of Stock [Line Items]
NCI adjustments for changes in ownership, value	$ (977,000)	$ 6,564,000	$ 15,820,000	$ (3,640,000)
Compassionate Care Foundation, Inc. [Member]
Class of Stock [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%				100.00%		100.00%