Earnings per Share and Earnings per Unit - Narrative (Details) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Common Units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)		0	0
Antidilutive securities excluded from the computation of EPS (shares)		0	0
Weighted Average Number of Shares Outstanding, Diluted	199,972		200,142
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	205		411
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive securities excluded from the computation of EPS (shares)		0	0
Antidilutive securities excluded from the computation of EPS (shares)		0	0
Weighted Average Number of Shares Outstanding, Diluted	172,867		172,715
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	205		411