Loans Held for Investment - Loan risk rating (Details)	Mar. 31, 2020 USD ($) Loans	Dec. 31, 2019 USD ($) Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	22	23
Principal Balance	$ 402,687,438	$ 377,388,317
Financing Receivable, before Allowance for Credit Loss	$ 404,114,507	$ 378,612,768
Percent Of Loan Portfolio Holdings	100.00%	100.00%
Allowance for Loan and Lease Losses, Real Estate	$ (1,144,994)	$ 0
1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	0	0
Principal Balance	$ 0	$ 0
Financing Receivable, before Allowance for Credit Loss	$ 0	$ 0
Percent Of Loan Portfolio Holdings	0.00%	0.00%
2
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	2	5
Principal Balance	$ 25,000,000	$ 50,000,000
Financing Receivable, before Allowance for Credit Loss	$ 25,180,000	$ 50,284,751
Percent Of Loan Portfolio Holdings	10.00%	10.00%
3
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	15
Principal Balance	$ 294,854,525	$ 322,648,317
Financing Receivable, before Allowance for Credit Loss	$ 295,669,585	$ 323,588,017
Percent Of Loan Portfolio Holdings	70.00%	90.00%
4
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	3	0
Principal Balance	$ 76,332,913	$ 0
Financing Receivable, before Allowance for Credit Loss	$ 76,483,600	$ 0
Percent Of Loan Portfolio Holdings	20.00%	0.00%
5
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	0	0
Principal Balance	$ 0	$ 0
Financing Receivable, before Allowance for Credit Loss	$ 0	$ 0
Percent Of Loan Portfolio Holdings	0.00%	0.00%
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Loans \| Loans	2	1
Principal Balance	$ 6,500,000	$ 4,740,000
Financing Receivable, before Allowance for Credit Loss	$ 6,781,322	$ 4,740,000
Percent Of Loan Portfolio Holdings	0.00%	0.00%

Number Of Loans

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Percent Of Loan Portfolio Holdings

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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.

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Amount, before allowance for credit loss, of financing receivable.

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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.

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