Shareholders' Equity and Non-Controlling Interests NCI Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Class of Stock [Line Items]
USCo2 Ownership of HSCP	0.61%
USCo2 Voting Shares held by Pubco	69.00%
USCo2 non-voting shares	31.00%
HSCP ownership by LLC members	19.56%
HSCP owned by Pubco	79.83%
NCI adjustments for changes in ownership, value	$ 0	$ 0
Noncontrolling Interest [Member]
Class of Stock [Line Items]
NCI adjustments for changes in ownership, value	$ 6,564	$ (3,640)