Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Deferred Costs and Other Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other Assets [Abstract]
Right-of-use lease asset	$ 23,745	$ 25,480
Right-of-use lease asset [Extensible List]	us-gaap:OtherAssets	us-gaap:OtherAssets
Prepaid taxes and deferred tax assets	$ 17,795	$ 21,989
Deferred financing costs, net - credit facilities	10,150	8,382
Prepaid expenses	5,854	5,311
Investment deposits and pending deal costs	807	20,779
Other assets	177	1,644
Derivative asset	7	4,122
Total	$ 58,535	$ 87,707