Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Details)		1 Months Ended	12 Months Ended
		Jan. 31, 2022 USD ($) Unit	Dec. 31, 2022 USD ($) Unit	Dec. 31, 2021 USD ($) Unit
Schedule Of Available For Sale Securities [Line Items]
Initial Principal Funded | $			$ 103,447,000	$ 60,282,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-1 [Member] | CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			April
Units			200
Maturity Date			Mar. 31, 2040
Interest Rate			6.00%
Initial Principal Funded | $			$ 9,000,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-2 [Member] | CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			April
Units			200
Maturity Date			Mar. 31, 2040
Interest Rate			6.00%
Initial Principal Funded | $			$ 7,500,000
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-3 [Member] | CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[1]		April
Units	[1]		200
Maturity Date	[1]		Mar. 31, 2040
Interest Rate	[1]		6.00%
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-4 [Member] | CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[1]		April
Units	[1]		200
Maturity Date	[1]		Mar. 31, 2040
Residency at the Entrepreneur [Member] | MRB and Taxable MRB Commitments [Member] | Series J-4 [Member] | CA [Member] | SOFR [Member]
Schedule Of Available For Sale Securities [Line Items]
Interest Rate	[1],[2]		3.60%
CCBA Senior Garden Apartments [Member] | MRB and Taxable MRB Commitments [Member] | San Diego, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[3]		June
Units	[3]		45
Maturity Date	[3]		Jul. 01, 2037
Interest Rate	[3]		4.50%
Initial Principal Funded | $	[3]		$ 3,807,000
Park at Sondrio [Member] | MRB and Taxable MRB Commitments [Member] | Series 2022A [Member] | Greenville, SC [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			December
Units			271
Maturity Date			Jan. 01, 2030
Interest Rate			6.50%
Initial Principal Funded | $			$ 38,100,000
Park at Vietti [Member] | MRB and Taxable MRB Commitments [Member] | Series 2022A [Member] | Spartanburg, SC [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			December
Units			204
Maturity Date			Jan. 01, 2030
Interest Rate			6.50%
Initial Principal Funded | $			$ 26,985,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-1 [Member] | Burbank, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			December
Units			148
Maturity Date			Dec. 01, 2040
Interest Rate	[4]		6.45%
Initial Principal Funded | $			$ 14,000,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-2 [Member] | Burbank, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired			December
Units			148
Maturity Date			Dec. 01, 2040
Interest Rate	[4]		6.45%
Initial Principal Funded | $			$ 4,000,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-3 [Member] | Burbank, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[5]		December
Units	[5]		148
Maturity Date	[5]		Dec. 01, 2040
Interest Rate	[4],[5]		6.45%
Initial Principal Funded | $	[5]		$ 55,000
Residency at Empire [Member] | MRB and Taxable MRB Commitments [Member] | Series BB-4 [Member] | Burbank, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[5]		December
Units	[5]		148
Maturity Date	[5]		Dec. 01, 2040
Interest Rate	[5],[6]		6.45%
Jackson Manor Apartments [Member] | Jackson, MS [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[7]			April
Units	[7]			60
Maturity Date	[7]			May 01, 2038
Interest Rate	[7]			5.00%
Initial Principal Funded | $	[7]			$ 4,150,000
Residency at the Mayer [Member] | Series A [Member] | Hollywood, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[8]			October
Units	[8]			79
Maturity Date	[8]			Apr. 01, 2039
Initial Principal Funded | $	[8]			$ 24,000,000
Residency at the Mayer [Member] | Series A [Member] | Hollywood, CA [Member] | SOFR [Member]
Schedule Of Available For Sale Securities [Line Items]
Interest Rate	[8],[9]			3.60%
Meadow Valley [Member] | Garfield Charter Township, MI [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[10]			December
Units	[10]			154
Maturity Date	[10]			Dec. 01, 2029
Interest Rate	[10]			6.25%
Initial Principal Funded | $	[10]			$ 100,000
Lutheran Gardens [Member] | Compton, CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired				December
Units				76
Maturity Date				Feb. 01, 2025
Interest Rate				4.90%
Initial Principal Funded | $				$ 10,352,000
Live 929 Apartments [Member] | Series B [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired	[11]			December
Units	[11]			575
Maturity Date	[11]			Jul. 01, 2039
Interest Rate	[11],[12]			1.60%
Initial Principal Funded | $	[11]			$ 21,680,000
Live 929 Apartments [Member] | Series 2022A [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Acquired		January
Units		575
Maturity Date		Jan. 01, 2060
Interest Rate		4.30%
Initial Principal Funded | $		$ 66,365,000

[1] The Partnership has committed to provide funding for the Series J-3 and Series J-4 MRBs of $26.1 million and $16.4 million, respectively. See Note 18.

[2] The interest rate is subject to an all-in floor of 3.87%. Upon stabilization, the Series J-4 MRB will become subordinate to the Series J-1, J-2 and J-3 MRBs and will convert to a fixed rate of 8.0%. Upon stabilization of the property, the MRB will be partially repaid and the maximum balance of the MRB after stabilization will not exceed $1.5 million.

[3] The investment was previously reported as a bond purchase commitment that has converted to an MRB.

[4] In December 2029, the interest rate will reset to the greater of (i) 3.25% over the then 10-Year SOFR Swap rate, or (ii) 6.00%.

[5] The Partnership has committed to provide additional funding during construction for the Series BB-3 and Series BB-4 MRBs of $13.9 million and $47.0 million, respectively. See Note 18.

[6] Upon stabilization, the MRB will resize to an amount not to exceed $3.3 million and become subordinate to the other senior MRBs of the borrower. In December 2029, the interest rate will convert to a fixed rate of 10.0%.

[7] The Partnership has committed to provide total funding of the MRB up to $6.9 million during the acquisition and rehabilitation phase of the property on a drawdown basis. Upon stabilization of the property, the MRB will be partially repaid and the maximum balance of the MRB after stabilization will not exceed $4.8 million.

[8] The Partnership committed to provide total funding of the MRB up to $29.5 million during the acquisition and rehabilitation phase of the property on a drawdown
basis. Upon stabilization of the property, the MRB will be partially repaid and the maximum balance of the MRB after stabilization will not exceed $18.1
million.

[9] The index is subject to a floor of 0.25%.

[10] The Partnership committed to provide total funding of the MRB up to $44.0 million during construction on a draw-down basis.

[11] The Partnership purchased the MRB at a discount to outstanding principal of $4.3 million. The purchase price of the bond was $17.3 million.

[12] The MRB has a variable interest rate equal to 69.5% of the sum of LIBOR plus 1.80% multiplied by a margin equal to one minus the maximum U.S. Federal
corporate tax rate divided by 0.65.