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Subsequent Events - Additional Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2023 | Feb. 23, 2023 | Jan. 31, 2023 | Jan. 31, 2022 | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Referral fees paid to an affiliate | [1] |  |  |  |  |  | $ 240,607 | $ 224,750
Series A Preferred Units outstanding |  |  |  |  |  |  | 9,450,000 | 9,450,000
Total Return Swap [Member] | Mizuho Capital Markets [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Required cash collateral percentage |  |  |  |  |  |  | 35.00% |
Series A-1 Preferred Units [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Series A Preferred Units outstanding |  |  |  |  |  |  | 3,000,000 |
Series A Preferred Units [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Series A Preferred Units outstanding |  |  |  |  |  |  | 6,450,000 |
Hope on Broadway GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  | 2023-02 |
Hope on Avalon GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  | 2023-02 |
Hope on Avalon Taxable GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  | 2023-02 |
Live 929 Apartments [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Amount received as payment in full for outstanding principal and interest on a note receivable |  |  |  |  | $ 1,000,000.0 |  |  |
Scenario Forecast [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Gain on sale settlement of final proceeds and expenses |  |  |  |  |  | $ 15,200,000 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Cash received by partnership |  |  |  | $ 27,700,000 |  |  |  |
Subsequent Event [Member] | Total Return Swap [Member] | Mizuho Capital Markets [Member] | Minimum |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Required cash collateral percentage |  |  | 30.00% |  |  |  |  |
Subsequent Event [Member] | Total Return Swap [Member] | Mizuho Capital Markets [Member] | Maximum |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Required cash collateral percentage |  |  | 35.00% |  |  |  |  |
Subsequent Event [Member] | Series A-1 Preferred Units [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Number of shares issued in exchange transaction |  |  | 800,000 |  |  |  |  |
Gross proceeds from exchange transaction |  |  | $ 8,000,000.0 |  |  |  |  |
Subsequent Event [Member] | Series A Preferred Units [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Number of shares issued in exchange transaction |  |  | 700,000 |  |  |  |  |
Outstanding shares held by financial institution |  |  | 700,000 |  |  |  |  |
Net proceeds from exchange transaction |  | $ 0 |  |  |  |  |  |
Series A Preferred Units outstanding |  |  | 2,000,000 |  |  |  |  |
Redemption amount |  |  | $ 20,000,000.0 |  |  |  |  |
Redemption date |  |  | 2023-08 |  |  |  |  |
Subsequent Event [Member] | The Ivy Apartments [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Referral fees paid to an affiliate |  |  |  | 76,000 |  |  |  |
Subsequent Event [Member] | Provision Center 2014-1 [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Proceeds from initial redemption |  |  |  | $ 3,700,000 |  |  |  |
Subsequent Event [Member] | Hope on Broadway GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2023-08 |  |  |  |
Subsequent Event [Member] | Hope on Avalon GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2023-08 |  |  |  |
Subsequent Event [Member] | Hope on Avalon Taxable GIL [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2023-08 |  |  |  |
Subsequent Event [Member] | Valage Senior Living Carson Valley [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Equity commitment |  |  | $ 8,200,000 |  |  |  |  |
Subsequent Event [Member] | Greens Property [Member] |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Amount received as payment in full for outstanding principal and interest on a note receivable |  |  | 850,000 |  |  |  |  |
Accrued interest repayment on notes receivable |  |  | $ 1,600,000 |  |  |  |  |
[1] | The Partnership has an agreement with an affiliate of Greystone, in which the Greystone affiliate is entitled to receive a referral fee up to 0.25% of the original principal amount of executed tax-exempt loan or tax-exempt bond transactions introduced to the Partnership by the Greystone affiliate. The term of the agreement ends December 31, 2023, unless the parties mutually agree to extend the term. The Partnership accounts for referral fees as bond origination costs that are deferred and amortized as a yield adjustment to the related investment asset.

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