Shareholders' Equity and Non-Controlling Interests Schedule of Conversions by Stock (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Shareholders' Equity and Non-Controlling Interests [Abstract]
Convertible NCI units outstanding	24,612	27,397	25,035	27,340
Issuance of NCI units	0	198
Canceled NCI units	(1,310)	(123)
Profits interests vested to NCI units	1,000	625
NCI units settled in cash	0	(643)
NCI units converted to Pubco shares	(113)	0