Shareholders' Equity and Non-Controlling Interests Schedule of Conversions by Stock (Details) - shares shares in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Shareholders' Equity and Non-Controlling Interests [Abstract]
Convertible NCI units outstanding	24,340	26,952	25,035	27,340
Issuance of NCI units	0	198
Canceled NCI units	(1,310)	(126)
Profits interests vested to NCI units	1,000	625
NCI units settled in cash	0	(58)
NCI units converted to Pubco shares	(385)	(1,027)