Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Statement of Cash Flows [Abstract]
Cash and cash equivalents		$ 568,646	$ 524,963
Restricted cash	[1]	123,896	103,522
Total cash, cash equivalents and restricted cash		$ 692,542	$ 628,485	$ 472,739	$ 487,122

[1] Includes amounts in consolidated variable interest entities (VIEs) presented separately in the table below.