Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 7,798,926	$ 6,863,353
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion of commercial mortgage loans held-for-investment discounts	(125,098)	(24,773)
Amortization of commercial mortgage loans held-for-investment premiums	55,804	361,227
Accretion of collateralized loan obligations discounts	0	207,767
Amortization of deferred offering costs	(100,219)	(11,201)
Amortization of deferred financing costs	2,072,877	1,260,660
Provision for loan losses	1,872,937	0
Loss on extinguishment of debt	0	1,663,926
Unrealized (gain) loss on mortgage servicing rights	(265,910)	300,666
Restricted stock compensation expense	12,547	10,867
Net change in:
Accrued interest receivable	(281,273)	(1,067,059)
Other assets	(310,623)	(371,732)
Accrued interest payable	958,090	216,110
Fees and expenses payable to Manager	(176,343)	472,199
Other accounts payable and accrued expenses	224,987	2,043,121
Net cash provided by operating activities	11,736,702	11,925,131
Cash flows from investing activities:
Purchase of commercial mortgage loans held-for-investment	(269,596,827)	(647,459,391)
Principal payments from commercial mortgage loans held-for-investment	247,335,751	391,394,015
Investment related receivable	0	(48,890,010)
Net cash (used in) investing activities	(22,261,076)	(304,955,386)
Cash flows from financing activities:
Proceeds from issuance of common stock	81,136,045	0
Net proceeds from issuance of preferred stock	0	57,258,435
Proceeds from collateralized loan obligation	0	833,750,000
Proceeds from credit facility	0	7,500,000
Payment of collateralized loan obligations	0	(465,316,126)
Payment of deferred financing costs	(119,375)	(8,731,741)
Dividends paid on common stock	(8,512,687)	(7,732,853)
Dividends paid on preferred stock	(3,551,250)	(926,249)
Net cash provided by financing activities	68,952,733	415,801,466
Net increase in cash, cash equivalents and restricted cash	58,428,359	122,771,211
Cash, cash equivalents and restricted cash, beginning of period	18,279,052	69,375,356
Cash, cash equivalents and restricted cash, end of period	76,707,411	192,146,567
Supplemental disclosure of cash flow information
Cash paid for interest	17,383,416	8,996,957
Non-cash investing and financing activities information
Dividends declared but not paid at end of period	$ 4,135,161	$ 3,443,476