Segment Information - Narrative (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($) segment	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	3
Other assets, net	$ 273,030	$ 253,687
Third-Party Real Estate Services Segment
Segment Reporting Information [Line Items]
Other assets, net	$ 28,500	$ 31,500