Loans Held for Investment - Property Type (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Loans and Financing Receivable
Principal Balance	$ 567,520,973	$ 480,151,151
Carrying Value	571,727,777	483,331,795
Allowance for Loan and Lease Losses, Real Estate	(13,708,777)	(13,658,481)
Carrying Value	$ 558,019,000	$ 469,673,314
% of Total	100.00%	100.00%
Percent Of Allowance Of Loan Losses	(2.50%)	(2.90%)
Office
Loans and Financing Receivable
Principal Balance	$ 229,192,520	$ 221,596,870
Carrying Value	$ 230,101,500	$ 222,426,872
% of Total	41.20%	47.30%
Multifamily
Loans and Financing Receivable
Principal Balance	$ 120,216,869	$ 80,805,787
Carrying Value	$ 122,074,241	$ 81,835,756
% of Total	21.90%	17.40%
Industrial
Loans and Financing Receivable
Principal Balance	$ 67,571,608	$ 32,000,000
Carrying Value	$ 67,606,537	$ 32,206,964
% of Total	12.10%	6.90%
Hotel
Loans and Financing Receivable
Principal Balance	$ 56,918,328	$ 56,847,381
Carrying Value	$ 57,520,720	$ 57,395,682
% of Total	10.30%	12.20%
Infill Land
Loans and Financing Receivable
Principal Balance	$ 33,807,563	$ 28,960,455
Carrying Value	$ 33,895,151	$ 28,923,827
% of Total	6.10%	6.20%
Student Housing
Loans and Financing Receivable
Principal Balance	$ 31,000,000	$ 31,000,000
Carrying Value	$ 31,667,292	$ 31,565,670
% of Total	5.70%	6.70%
Mixed use
Loans and Financing Receivable
Principal Balance	$ 28,814,085	$ 28,940,658
Carrying Value	$ 28,862,336	$ 28,977,024
% of Total	5.20%	6.20%

Percent Of Allowance Of Loan Losses

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- Definition

Percent Of Loan Portfolio Holdings

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 310
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123605502&loc=d3e21338-158488

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719

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