Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				6 Months Ended			69 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 2,931	$ 2,302	$ 527	$ (3,671)	$ 5,233		$ (3,144)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, net					10,054		10,095
Amortization of deferred debt origination costs					580		635
Amortization of premiums and discounts on debt					13		15
Unrealized premium adjustment					1,095		1,457
Amortization of deferred costs and accretion of fees on loans receivable, net					(294)		(279)
Write-offs of uncollectible receivables					39		1,076
Deferred income taxes					47		(13)
Stock-based compensation					92		110
Income from unconsolidated entity	(260)		0		(380)		0
Loans funded, held for sale to secondary market					(18,426)		(45,464)
Proceeds from sale of guaranteed loans					23,638		49,207
Principal collected on loans subject to secured borrowings					441		291
Commitment fees remitted and other operating activity					(839)		(925)
Changes in operating assets and liabilities:
Accounts receivable					15		(1,089)
Other assets					(1,174)		(2,191)
Accounts payable and accrued expenses					(180)		(553)
Deferred leasing costs					(748)		(413)
Other liabilities					3,610		2,680
Due to related parties					2,472		6,345
Net cash provided by operating activities					25,288		17,840
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures					(4,601)		(823)
Acquisition of real estate					(8,115)		0
Investment in unconsolidated entity					(22,408)		0
Loans funded					(12,256)		(19,746)
Principal collected on loans					11,634		15,747
Net cash used in investing activities					(35,746)		(4,822)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of revolving credit facilities, mortgages payable, term notes and principal on SBA 7(a) loan-backed notes					(33,481)		(94,351)
Proceeds from revolving credit facilities and term notes					40,000		30,396
Payment of principal on secured borrowings					(441)		(291)
Payment of deferred preferred stock offering costs					(408)		(268)
Payment of deferred costs					0		(125)
Payment of common dividends					(3,739)	$ (3,972)	(2,226)
Repurchase of Common Stock					(303)		0
Proceeds from issuance of Common Stock					0		78,825
Payment of Common Stock offering costs					0		(325)
Net proceeds from issuance of Preferred Stock					20,246		15,484
Payment of preferred stock dividends					(14,038)		(12,965)
Redemption of Preferred Stock					(3,343)		(1,173)
Noncontrolling interests’ distributions					(3)		(114)
Noncontrolling interests’ contributions					5		0
Net cash provided by financing activities					4,495		12,867
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH					(5,963)		25,885
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period		$ 33,651		$ 43,649	33,651		43,649
End of period	27,688		69,534		27,688	27,688	69,534	$ 27,688
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH TO THE CONSOLIDATED BALANCE SHEETS:
Cash and cash equivalents	16,480		59,730		16,480	16,480	59,730	16,480	$ 22,311
Restricted cash	11,208		9,804		11,208	11,208	9,804	11,208	11,340
Total cash and cash equivalents and restricted cash	27,688		69,534		27,688	$ 27,688	69,534	27,688	$ 33,651
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest					3,789		4,582
Federal income taxes paid					555		425
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures, tenant improvements and real estate developments					2,477		390
Accrued preferred stock offering costs					392		984
Accrual of dividends payable to preferred stockholders					3,984		3,260
Preferred stock offering costs offset against redeemable preferred stock					296		250
Reclassification of Series A Preferred Stock from temporary equity to permanent equity					17,335		20,724	$ 163,600
Accrued deferred costs					0		1
Redeemable preferred stock deemed dividends	$ 4		$ 106		19		163
Accrued redeemable preferred stock fees					563		640
Equity-based payment for management fees					0		2,419
Accrued Common Stock offering costs included in additional paid-in capital					$ 0		$ 1,557