Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 59,761	$ 384,314
Other comprehensive income (loss) (net change by component):
Available-for-sale securities	(1,104)	(5,284)
Other comprehensive loss	(1,104)	(5,284)
Comprehensive income	58,657	379,030
Less: Comprehensive income attributable to non-controlling interests	(7,787)	(59,715)
Comprehensive income attributable to Starwood Property Trust, Inc.	$ 50,870	$ 319,315