Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 384,314	$ 122,526
Other comprehensive income (loss) (net change by component):
Available-for-sale securities	(5,284)	(2,403)
Foreign currency translation	0	64
Other comprehensive loss	(5,284)	(2,339)
Comprehensive income	379,030	120,187
Less: Comprehensive income attributable to non-controlling interests	(59,715)	(11,148)
Comprehensive income attributable to Starwood Property Trust, Inc.	$ 319,315	$ 109,039