Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Equity-Based Compensation (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		$ 2,573	$ 9,319	$ 11,513	$ 17,345
Unrecognized compensation expense, stock options		5,800		5,800
Senior Managing Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options forfeited (in shares)	98,603
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		(397)	2,043	$ 1,692	4,194
Period for recognition				1 year
Employee Stock Option \| Employee equity grant expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		247	57	$ 352	57
Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		264	2,704	2,313	4,862
Stock Compensation Plan \| Director and other non-employee equity grants expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		414	604	269	611
Stock Compensation Plan \| REIT equity-based compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated stock-based compensation expense		2,309	$ 6,615	9,200	$ 12,483
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, stock options		$ 2,300		$ 2,300
Period for recognition				2 years 7 months 6 days