Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 5,766,691	$ 2,954,799
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion of commercial mortgage loans held-for-investment discounts	0	(100,572)
Amortization of commercial mortgage loans held-for-investment premiums	5,287	45,349
Accretion of deferred loan fees	(64,293)	0
Amortization of deferred offering costs	(14,040)	(71,671)
Amortization of deferred financing costs	684,771	680,510
Reversal of credit losses, net	(179,684)	0
Unrealized loss (gain) on mortgage servicing rights	49,129	(147,382)
Restricted stock compensation expense	3,358	4,638
Net change in:
Accrued interest receivable	(141,184)	1,259,264
Other assets	(150,577)	154,922
Accrued interest payable	144,100	112,996
Fees and expenses payable to Manager	(2,333)	(501,142)
Other liabilities	(259,282)	164,183
Net cash provided by operating activities	5,841,943	4,555,894
Cash flows from investing activities:
Purchase of commercial mortgage loans held-for-investment	0	(184,992,167)
Principal payments from commercial mortgage loans held-for-investment	51,625,741	131,756,365
Net cash provided by (used in) investing activities	51,625,741	(53,235,802)
Cash flows from financing activities:
Proceeds from issuance of common stock	0	81,136,044
Payment of deferred financing costs	0	(119,375)
Dividends paid on common stock	(3,133,869)	(2,245,309)
Dividends paid on preferred stock	(1,181,250)	(1,181,250)
Net cash (used in) provided by financing activities	(4,315,119)	77,590,110
Net increase in cash, cash equivalents and restricted cash	53,152,565	28,910,202
Cash, cash equivalents and restricted cash, beginning of period	47,366,365	18,279,052
Cash, cash equivalents and restricted cash, end of period	100,518,930	47,189,254
Supplemental disclosure of cash flow information
Cash paid for interest	13,131,087	4,133,373
Non-cash investing and financing activities information
Dividends declared but not paid at end of period	$ 4,318,827	$ 4,318,467