Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 51,377	$ 223,838	$ 333,517	$ 889,857
Other comprehensive loss (net change by component):
Available-for-sale securities	(3,241)	(6,194)	(6,841)	(18,177)
Other comprehensive loss	(3,241)	(6,194)	(6,841)	(18,177)
Comprehensive income	48,136	217,644	326,676	871,680
Less: Comprehensive income attributable to non-controlling interests	(3,942)	(29,276)	(65,265)	(158,409)
Comprehensive income attributable to Starwood Property Trust, Inc.	$ 44,194	$ 188,368	$ 261,411	$ 713,271