Public Housing Capital Fund Trust Certificates - Schedule of Investments in PHC Certificates (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Value, held in trust	$ 1,383,237	$ 1,510,437
Public housing capital fund trusts [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	41,940,553
Cumulative Unrealized Gain, held in trust	1,408,804
Estimated Fair Value, held in trust	43,349,357
Public Housing Capital Fund Trust I [Member] \| Public housing capital fund trusts [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	24,477,478
Cumulative Unrealized Gain, held in trust	435,659
Estimated Fair Value, held in trust	$ 24,913,137
Public Housing Capital Fund Trust I [Member] \| Public housing capital fund trusts [Member] \| Standard & Poor's, AA- Rating [Member]
Schedule Of Available For Sale Securities [Line Items]
Weighted Average Lives (Years)	5 years 5 months 19 days
Investment Rating	AA-
Weighted Average Interest Rate Over Life	5.33%
Public Housing Capital Fund Trust II [Member] \| Public housing capital fund trusts [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	$ 4,375,296
Cumulative Unrealized Gain, held in trust	386,433
Estimated Fair Value, held in trust	$ 4,761,729
Public Housing Capital Fund Trust II [Member] \| Public housing capital fund trusts [Member] \| Standard & Poor's, AA- Rating [Member]
Schedule Of Available For Sale Securities [Line Items]
Weighted Average Lives (Years)	4 years 6 months 29 days
Investment Rating	AA-
Weighted Average Interest Rate Over Life	4.41%
Public Housing Capital Fund Trust III [Member] \| Public housing capital fund trusts [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	$ 13,087,779
Cumulative Unrealized Gain, held in trust	586,712
Estimated Fair Value, held in trust	$ 13,674,491
Public Housing Capital Fund Trust III [Member] \| Public housing capital fund trusts [Member] \| Standard & Poor's, BBB Rating [Member]
Schedule Of Available For Sale Securities [Line Items]
Weighted Average Lives (Years)	5 years 5 months 4 days
Investment Rating	BBB
Weighted Average Interest Rate Over Life	5.12%

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