Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 2,868,937	$ (10,175,063)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Amortization/accretion of available-for-sale securities premiums and discounts, net	0	1,403,431
Accretion of collateralized loan obligations discounts, net	543,372	186,128
Amortization of deferred offering costs	(44,765)	0
Amortization of deferred financing costs	493,750	0
Realized (gain) loss on investments, net	709,439	33,345,288
Realized (gain) loss on derivative contracts, net	0	(25,984,870)
Unrealized (gain) loss on derivative contracts	0	5,349,613
Unrealized (gain) loss on mortgage servicing rights	839,117	(1,141,752)
Unrealized (gain) loss on multi-family loans held in securitization trusts	(694,339)	6,818,922
Unrealized (gain) loss on residential loans held in securitization trusts	0	(5,650,199)
Restricted stock compensation expense	7,587	9,662
Net change in:
Accrued interest receivable	(164,388)	2,329,704
Deferred offering costs	44,766	24,766
Other assets	(695,988)	(106,022)
Accrued interest payable	(10,768)	(1,076,157)
Deferred income	0	87,732
Fees and expenses payable to Manager	55,900	432,996
Other accounts payable and accrued expenses	(1,618,081)	(47,217)
Net cash provided by operating activities	2,334,539	5,806,962
Cash flows from investing activities:
Purchase of commercial mortgage loans held-for-investment	(117,536,027)	(1,624,535)
Proceeds from sales of available-for-sale securities	0	1,227,314,578
Net proceeds from derivative contracts	0	25,984,870
Principal payments from available-for-sale securities	0	62,932,244
Principal payments from retained beneficial interests	4,747,049	0
Principal payments from commercial mortgage loans held-for-investment	72,938,556	20,405,000
Investment related receivable	33,042,234	(13,044,706)
Purchase of Hunt CMT Equity LLC (net of $9,829,774 in restricted cash)	0	(58,220,292)
Due from broker	0	(1,123,463)
Net cash (used in) provided by investing activities	(6,808,188)	1,262,623,696
Cash flows from financing activities:
Proceeds from (costs for) issuance of common stock	0	7,278,201
Redemption of preferred stock	(40,250,000)	0
Dividends paid on common stock	(3,079,396)	(3,735,676)
Dividends paid on preferred stock	(528,614)	(1,761,018)
Proceeds from repurchase agreements - available-for-sale securities	0	6,017,838,000
Proceeds from secured term loan	40,250,000	0
Payment of deferred financing costs	(1,090,372)	0
Principal repayments of repurchase agreements - available-for-sale securities	0	(7,252,360,000)
Net cash (used in) financing activities	(4,698,382)	(1,232,740,493)
Net increase in cash, cash equivalents and restricted cash	(9,172,031)	35,690,165
Cash, cash equivalents and restricted cash, beginning of period	59,213,812	45,622,602
Cash, cash equivalents and restricted cash, end of period	50,041,781	81,312,767
Supplemental disclosure of cash flow information
Cash paid for interest	10,992,050	10,340,281
Non-cash investing and financing activities information
Dividends declared but not paid at end of period	1,776,575	29,349
Net change in unrealized gain (loss) on available-for-sale securities	0	12,617,794
Consolidation of multi-family loans held in securitization trusts	0	23,949,942
Consolidation of residential loans held in securitization trusts	0	0
Consolidation of multi-family securitized debt obligations	0	19,561,943
Consolidation of residential securitized debt obligations	0	0
Commercial mortgage loans acquired, Hunt CMT Equity LLC acquisition	0	345,664,012
Restricted cash acquired, Hunt CMT Equity LLC acquisition	0	9,829,774
Other assets acquired, Hunt CMT Equity LLC acquisition	0	109,100
Collateralized loan obligations assumed, Hunt CMT Equity LLC acquisition	$ 0	$ (287,552,820)