Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Interest income	$ 357,705	$ 216,890	$ 179,872
Revenue from real estate owned	9,655	4,759	4,299
Interest expense	165,708	60,835	66,556
Net income/(loss)	14,215	25,702	54,746
Total assets	6,203,601	9,474,701	3,189,761
Real Estate Debt and Other Real Estate
Segment Reporting Information [Line Items]
Interest income	320,546	189,090	165,907
Revenue from real estate owned	0	0	0
Interest expense	151,675	54,774	54,480
Net income/(loss)	78,252	86,863	66,383
Total assets	5,444,152	4,205,883	2,866,790
Real Estate Securities
Segment Reporting Information [Line Items]
Interest income	30,203	24,740	10,854
Revenue from real estate owned	0	0	0
Interest expense	11,203	3,682	7,914
Net income/(loss)	(69,155)	(85,381)	(7,207)
Total assets	474,231	5,054,394	175,088
TRS
Segment Reporting Information [Line Items]
Interest income	6,956	3,060	3,111
Revenue from real estate owned	0	0	0
Interest expense	1,643	992	2,185
Net income/(loss)	2,736	13,149	(5,559)
Total assets	63,307	72,840	105,364
Real Estate Owned
Segment Reporting Information [Line Items]
Interest income	0	0	0
Revenue from real estate owned	9,655	4,759	4,299
Interest expense	1,187	1,387	1,977
Net income/(loss)	2,382	11,071	1,129
Total assets	$ 221,911	$ 141,584	$ 42,519