Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net interest income
Interest income	$ 31,973	$ 12,649
Interest expense	(8,818)	(6,497)
Total net interest income	23,155	6,152
Other income (loss)
Change in unrealized gain (loss) on CMBS structured pass-through certificates	(4,340)	631
Change in unrealized gain on common stock investment	329	834
Loan loss provision	(151)	(124)
Realized losses	0	(65)
Other income	173	303
Net loss from consolidated real estate owned (Note 8)	(213)	0
Total other income (loss)	(786)	22,290
Operating expenses
General and administrative expenses	1,763	1,518
Loan servicing fees	1,141	1,336
Management fees	728	518
Total operating expenses	3,632	3,372
Net income	18,737	25,070
Net (income) attributable to preferred shareholders	(874)	(874)
Net (income) attributable to redeemable noncontrolling interests	(4,943)	(15,829)
Net income attributable to common stockholders	$ 12,920	$ 8,367
Weighted-average common shares outstanding - basic (in shares)	13,855	5,023
Weighted-average common shares outstanding - diluted (in shares)	22,030	19,199
Earnings per share - basic (in dollars per share)	$ 0.93	$ 1.67
Earnings per share - diluted (in dollars per share)	0.81	1.26
Dividends declared per common share (in dollars per share)	$ 0.5000	$ 0.4750
Variable Interest Entity, Primary Beneficiary [Member]
Other income (loss)
Change in net assets related to consolidated CMBS variable interest entities	$ 3,416	$ 20,711
Change in unrealized gain (loss) on CMBS structured pass-through certificates	$ (4,537)	$ 15,011