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Mortgage Revenue Bonds - Description of Certain Terms of Partnership's MRBs (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Summary Of Investment Holdings [Line Items]    
Principal Outstanding $ 1,002,151,235 $ 884,664,326
15 West Apartments [Member] | Series A [Member] | Vancouver Washington [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jul. 01, 2054 [1] Jul. 01, 2054 [2]
Base Interest Rate 6.25% [1] 6.25% [2]
Principal Outstanding $ 9,283,990 [1] $ 9,371,808 [2]
40rty on Colony [Member] | Series P [Member] | La Mesa, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [3] 2023 [4]
Maturity Date Jun. 01, 2030 [3] Jun. 01, 2030 [4]
Base Interest Rate 7.05% [3] 7.05% [4]
Principal Outstanding $ 5,950,000 [3] $ 5,950,000 [4]
Aventine Apartments [Member] | Bellevue, WA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2024  
Maturity Date [3] Jun. 01, 2031  
Base Interest Rate [3] 7.68%  
Principal Outstanding [3] $ 9,500,000  
Arbors at Hickory Ridge [Member] | Memphis, Tennessee [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [5]   2012
Maturity Date [5]   Jan. 01, 2049
Base Interest Rate [5]   6.25%
Principal Outstanding [5]   $ 10,379,348
Avistar at Copperfield [Member] | Series A [Member] | Houston, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [3] 2017 [4]
Maturity Date May 01, 2054 [3] May 01, 2054 [4]
Base Interest Rate 5.75% [3] 5.75% [4]
Principal Outstanding $ 13,215,029 [3] $ 13,378,386 [4]
Avistar on the Boulevard [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013 [5]
Maturity Date Mar. 01, 2050 [3] Mar. 01, 2050 [5]
Base Interest Rate 6.00% [3] 6.00% [5]
Principal Outstanding $ 14,686,873 [3] $ 14,928,425 [5]
Avistar at the Crest [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013 [5]
Maturity Date Mar. 01, 2050 [3] Mar. 01, 2050 [5]
Base Interest Rate 6.00% [3] 6.00% [5]
Principal Outstanding $ 8,621,036 [3] $ 8,762,826 [5]
Avistar (February 2013 Acquisition) [Member] | Series B [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013
Maturity Date Apr. 01, 2050 [3] Apr. 01, 2050
Base Interest Rate 9.00% [3] 9.00%
Principal Outstanding $ 1,133,980 [3] $ 1,145,167
Avistar at the Oaks [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013 [5]
Maturity Date Aug. 01, 2050 [3] Aug. 01, 2050 [5]
Base Interest Rate 6.00% [3] 6.00% [5]
Principal Outstanding $ 6,980,721 [3] $ 7,091,928 [5]
Avistar in 09 [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013 [5]
Maturity Date Aug. 01, 2050 [3] Aug. 01, 2050 [5]
Base Interest Rate 6.00% [3] 6.00% [5]
Principal Outstanding $ 6,027,577 [3] $ 6,123,600 [5]
Avistar on the Hills [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013 [5]
Maturity Date Aug. 01, 2050 [3] Aug. 01, 2050 [5]
Base Interest Rate 6.00% [3] 6.00% [5]
Principal Outstanding $ 4,779,156 [3] $ 4,855,291 [5]
Avistar (June 2013 Acquisition) [Member] | Series B [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [3] 2013
Maturity Date Sep. 01, 2050 [3] Sep. 01, 2050
Base Interest Rate 9.00% [3] 9.00%
Principal Outstanding $ 951,479 [3] $ 960,483
Avistar at the Parkway [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [6] 2015 [7]
Maturity Date May 01, 2052 [6] May 01, 2052 [7]
Base Interest Rate 6.00% [6] 6.00% [7]
Principal Outstanding $ 12,101,645 [6] $ 12,270,653 [7]
Avistar at the Parkway [Member] | Series B [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 2015
Maturity Date Jun. 01, 2052 Jun. 01, 2052
Base Interest Rate 12.00% 12.00%
Principal Outstanding $ 122,165 $ 122,701
Avistar at Wilcrest [Member] | Series A [Member] | Houston, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [3] 2017 [4]
Maturity Date May 01, 2054 [3] May 01, 2054 [4]
Base Interest Rate 5.75% [3] 5.75% [4]
Principal Outstanding $ 5,008,228 [3] $ 5,070,137 [4]
Avistar at Wood Hollow [Member] | Series A [Member] | Austin,TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [3] 2017 [4]
Maturity Date May 01, 2054 [3] May 01, 2054 [4]
Base Interest Rate 5.75% [3] 5.75% [4]
Principal Outstanding $ 38,027,363 [3] $ 38,497,436 [4]
Brookstone [Member] | Waukegan, Illinois [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2009
Maturity Date   May 01, 2040
Base Interest Rate   5.45%
Principal Outstanding   $ 8,268,029
Bruton Apartments [Member] | Dallas Texas [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [1] 2014 [2]
Maturity Date Aug. 01, 2054 [1] Aug. 01, 2054 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 17,050,526 [1] $ 17,220,941 [2]
CCBA Senior Garden Apartments [Member] | San Diego, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [8] 2022
Maturity Date Jul. 01, 2037 [8] Jul. 01, 2037
Base Interest Rate 4.50% [8] 4.50%
Principal Outstanding $ 3,720,209 [8] $ 3,757,268
Columbia Gardens [Member] | Columbia South Carolina    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Dec. 01, 2050 [1] Dec. 01, 2050 [2]
Base Interest Rate 5.50% [1] 5.50% [2]
Principal Outstanding $ 12,099,000 [1] $ 12,282,000 [2]
Companion at Thornhill Apartments [Member] | Lexington, South Carolina [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jan. 01, 2052 [1] Jan. 01, 2052 [2]
Base Interest Rate 5.80% [1] 5.80% [2]
Principal Outstanding $ 10,484,096 [1] $ 10,639,506 [2]
Concord at Gulfgate [Member] | Series A [Member] | Houston, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Feb. 01, 2032 [1] Feb. 01, 2032 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 17,963,286 [1] $ 18,190,721 [2]
Concord at Little York [Member] | Series A [Member] | Houston, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Feb. 01, 2032 [1] Feb. 01, 2032 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 12,584,132 [1] $ 12,743,460 [2]
Concord at Williamcrest [Member] | Series A [Member] | Houston, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Feb. 01, 2032 [1] Feb. 01, 2032 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 19,494,168 [1] $ 19,740,985 [2]
Courtyard [Member] | Series A [Member] | Fullerton California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Dec. 01, 2033 [1] Dec. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 9,668,469 [1] $ 9,774,107 [2]
Decatur Angle [Member] | Fort Worth, Texas [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [1] 2014 [2]
Maturity Date Jan. 01, 2054 [1] Jan. 01, 2054 [2]
Base Interest Rate 5.75% [1] 5.75% [2]
Principal Outstanding $ 21,412,592 [1] $ 21,646,255 [2]
Harden Ranch [Member] | Series A [Member] | Salinas California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [8] 2014 [5]
Maturity Date Mar. 01, 2030 [8] Mar. 01, 2030 [5]
Base Interest Rate 5.75% [8] 5.75% [5]
Principal Outstanding $ 6,256,135 [8] $ 6,355,567 [5]
Heritage Square [Member] | Series A [Member] | Edinburg Texas    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [6] 2014 [7]
Maturity Date Sep. 01, 2051 [6] Sep. 01, 2051 [7]
Base Interest Rate 6.00% [6] 6.00% [7]
Principal Outstanding $ 10,039,053 [6] $ 10,186,405 [7]
Jackson Manor Apartments [Member] | Jackson, MS [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2021 [8] 2021 [4]
Maturity Date May 01, 2038 [8] May 01, 2038 [4]
Base Interest Rate 5.00% [8] 5.00% [4]
Principal Outstanding $ 4,781,136 [8] $ 4,824,474 [4]
Crossing at 1415 [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Dec. 01, 2052 [1] Dec. 01, 2052 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 6,989,209 [1] $ 7,082,698 [2]
Esperanza at Palo Alto [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2018 [1] 2018 [2]
Maturity Date Jul. 01, 2058 [1] Jul. 01, 2058 [2]
Base Interest Rate 5.80% [1] 5.80% [2]
Principal Outstanding $ 18,576,657 [1] $ 18,751,278 [2]
Glenview Apartments [Member] | Series A [Member] | Cameron California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [6] 2014 [7]
Maturity Date Dec. 01, 2031 [6] Dec. 01, 2031 [7]
Base Interest Rate 5.75% [6] 5.75% [7]
Principal Outstanding $ 4,248,118 [6] $ 4,312,025 [7]
Handsel Morgan Village Apartments [Member] | Buford, Georgia [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [9] 2023  
Maturity Date [9] Mar. 01, 2041  
Base Interest Rate [9] 6.75%  
Principal Outstanding [9] $ 2,150,000  
Handsel Morgan Village Apartments [Member] | Series A [Member] | Buford, Georgia [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2023
Maturity Date   Mar. 01, 2041
Base Interest Rate   6.75%
Principal Outstanding   $ 2,150,000
Harmony Court Bakersfield [Member] | Series A [Member] | Bakersfield, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Dec. 01, 2033 [1] Dec. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 3,525,258 [1] $ 3,563,775 [2]
Heights at 515 [Member] | Series A [Member] | San Antonio, TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Dec. 01, 2052 [1] Dec. 01, 2052 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 6,398,741 [1] $ 6,484,332 [2]
Harmony Terrace [Member] | Series A [Member] | Simi Valley, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jan. 01, 2034 [1] Jan. 01, 2034 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 6,527,329 [1] $ 6,598,285 [2]
The Ivy Apartments [Member] | Greenville, SC [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2023  
Maturity Date [3] Feb. 01, 2030  
Base Interest Rate [3] 6.50%  
Principal Outstanding [3] $ 30,500,000  
The Ivy Apartments [Member] | Series A [Member] | Greenville, SC [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [4]   2023
Maturity Date [4]   Feb. 01, 2030
Base Interest Rate [4]   6.50%
Principal Outstanding [4]   $ 30,500,000
Las Palmas II [Member] | Series A [Member] | Coachella, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Nov. 01, 2033 [1] Nov. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 1,598,957 [1] $ 1,616,607 [2]
Live 929 Apartments [Member] | Series A [Member] | Baltimore Maryland    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Jan. 01, 2060 [3] Jan. 01, 2060 [4]
Base Interest Rate 4.30% [3] 4.30% [4]
Principal Outstanding $ 66,365,000 [3] $ 66,365,000 [4]
Lutheran Gardens [Member] | Compton, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2021 2021 [10]
Maturity Date Feb. 01, 2025 Feb. 01, 2025 [10]
Base Interest Rate 4.90% 4.90% [10]
Principal Outstanding $ 10,352,000 $ 10,352,000 [10]
Maryalice Circle Apartments [Member] | Buford, Georgia [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [3] 2023 [4]
Maturity Date Mar. 01, 2041 [3] Mar. 01, 2041 [4]
Base Interest Rate 6.75% [3] 6.75% [4]
Principal Outstanding $ 5,900,000 [3] $ 5,900,000 [4]
Meadow Valley [Member] | Garfield Charter Township, MI [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2021 [3] 2021 [4]
Maturity Date Dec. 01, 2029 [3] Dec. 01, 2029 [4]
Base Interest Rate 6.25% [3] 6.25% [4]
Principal Outstanding $ 41,065,000 [3] $ 20,755,000 [4]
Montclair Apartments [Member] | Series A [Member] | Lemoore California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [6] 2014 [7]
Maturity Date Dec. 01, 2031 [6] Dec. 01, 2031 [7]
Base Interest Rate 5.75% [6] 5.75% [7]
Principal Outstanding $ 2,301,443 [6] $ 2,336,065 [7]
Montecito at Williams Ranch Apartments [Member] | Series A [Member] | Salinas California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [8] 2017 [4]
Maturity Date Oct. 01, 2034 [8] Oct. 01, 2034 [4]
Base Interest Rate 5.50% [8] 5.50% [4]
Principal Outstanding $ 7,374,111 [8] $ 7,442,435 [4]
Montevista [Member] | Series A [Member] | San Pablo, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2019 [8] 2019 [4]
Maturity Date Jul. 01, 2036 [8] Jul. 01, 2036 [4]
Base Interest Rate 5.75% [8] 5.75% [4]
Principal Outstanding $ 6,556,878 [8] $ 6,607,973 [4]
Oaks at Georgetown [Member] | Series A [Member] | Georgetown, Texas [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jan. 01, 2034 [1] Jan. 01, 2034 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 11,664,053 [1] $ 11,790,848 [2]
Ocotillo Springs [Member] | Series A [Member] | Brawley, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2020 [8] 2020
Maturity Date Aug. 01, 2038 [8] Aug. 01, 2038
Base Interest Rate 4.35% [8] 4.35%
Principal Outstanding $ 3,455,419 [8] $ 3,489,096
Ocotillo Springs [Member] | Series A-1 [Member] | Brawley, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [8] 2023
Maturity Date Aug. 01, 2038 [8] Aug. 01, 2038
Base Interest Rate 6.50% [8] 6.50%
Principal Outstanding $ 496,351 [8] $ 499,117
The Park at Sondrio - Series 2022A | Greenville, SC [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Jan. 01, 2030 [3] Jan. 01, 2030 [4]
Base Interest Rate 6.50% [3] 6.50% [4]
Principal Outstanding $ 38,100,000 [3] $ 38,100,000 [4]
The Park at Vietti - Series 2022A | Greenville, SC [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [4]   2022
Maturity Date [4]   Jan. 01, 2030
Base Interest Rate [4]   6.50%
Principal Outstanding [4]   $ 26,985,000
The Park at Vietti - Series 2022A | Spartanburg, SC [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2022  
Maturity Date [3] Jan. 01, 2030  
Base Interest Rate [3] 6.50%  
Principal Outstanding [3] $ 26,985,000  
Provision Center 2014-1 [Member] | Knoxville Tennessee    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2014
Maturity Date   May 01, 2034
Base Interest Rate   6.00%
Principal Outstanding   $ 6,636,596
Renaissance [Member] | Series A [Member] | Baton Rouge, Louisiana [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [6] 2015 [7]
Maturity Date Jun. 01, 2050 [6] Jun. 01, 2050 [7]
Base Interest Rate 6.00% [6] 6.00% [7]
Principal Outstanding $ 10,263,789 [6] $ 10,429,392 [7]
Residency at Empire - Series BB-1 [Member] | Burbank, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Dec. 01, 2040 [3] Dec. 01, 2040 [4]
Base Interest Rate 6.45% [3] 6.45% [4]
Principal Outstanding $ 14,000,000 [3] $ 14,000,000 [4]
Residency at Empire - Series BB-2 [Member] | Burbank, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Dec. 01, 2040 [3] Dec. 01, 2040 [4]
Base Interest Rate 6.45% [3] 6.45% [4]
Principal Outstanding $ 4,000,000 [3] $ 4,000,000 [4]
Residency at Empire - Series BB-3 [Member] | Burbank, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Dec. 01, 2040 [3] Dec. 01, 2040 [4]
Base Interest Rate 6.45% [3] 6.45% [4]
Principal Outstanding $ 14,000,000 [3] $ 5,055,000 [4]
Residency at Empire - Series BB-4 [Member] | Burbank, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2022  
Maturity Date [3] Dec. 01, 2040  
Base Interest Rate [3] 6.45%  
Principal Outstanding [3] $ 21,200,000  
Residency at the Mayer [Member] | Series A [Member] | Hollywood, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2021  
Maturity Date [3] Apr. 01, 2039  
Principal Outstanding [3] $ 29,500,000  
Residency at the Mayer [Member] | Series A [Member] | Hollywood, CA [Member] | SOFR [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [4]   2021
Maturity Date [4]   Apr. 01, 2039
Base Interest Rate 3.60% [3] 3.60% [4]
Principal Outstanding [4]   $ 29,500,000
Residency at the Mayer [Member] | Series M [Member] | Hollywood, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2024  
Maturity Date [3] Apr. 01, 2039  
Principal Outstanding [3] $ 11,500,000  
Residency at the Mayer [Member] | Series M [Member] | Hollywood, CA [Member] | SOFR [Member]    
Summary Of Investment Holdings [Line Items]    
Base Interest Rate [3] 3.60%  
Residency at the Entrepreneur J -1 [Member] | Los Angeles, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Mar. 31, 2040 [3] Mar. 31, 2040 [4]
Base Interest Rate 6.00% [3] 6.00% [4]
Principal Outstanding $ 9,000,000 [3] $ 9,000,000 [4]
Residency at the Entrepreneur J -2 [Member] | Los Angeles, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Mar. 31, 2040 [3] Mar. 31, 2040 [4]
Base Interest Rate 6.00% [3] 6.00% [4]
Principal Outstanding $ 7,500,000 [3] $ 7,500,000 [4]
Residency at the Entrepreneur J -3 [Member] | Los Angeles, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2022 [3] 2022 [4]
Maturity Date Mar. 31, 2040 [3] Mar. 31, 2040 [4]
Base Interest Rate 6.00% [3] 6.00% [4]
Principal Outstanding $ 26,080,000 [3] $ 12,300,000 [4]
Residency at the Entrepreneur J -4 [Member] | Los Angeles, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2022  
Maturity Date [3] Mar. 31, 2040  
Principal Outstanding [3] $ 16,420,000  
Residency at the Entrepreneur J -4 [Member] | Los Angeles, CA [Member] | SOFR [Member]    
Summary Of Investment Holdings [Line Items]    
Base Interest Rate [3] 3.60%  
Residency At The Entrepreneur J-5 [Member] | Los Angeles, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2023  
Maturity Date [3] Apr. 01, 2025  
Principal Outstanding [3] $ 5,000,000  
Residency At The Entrepreneur J-5 [Member] | Los Angeles, CA [Member] | SOFR [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2023
Maturity Date   Apr. 01, 2025
Base Interest Rate 3.60% [3] 3.60%
Residency At The Entrepreneur J-5 [Member] | Series A [Member] | Hollywood, CA [Member] | SOFR [Member]    
Summary Of Investment Holdings [Line Items]    
Principal Outstanding   $ 1,000,000
Runnymede [Member] | Austin,TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2007
Maturity Date   Oct. 01, 2024
Base Interest Rate   6.00%
Principal Outstanding   $ 9,390,000
The Safford [Member] | Marana, AZ [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [3] 2023 [4]
Maturity Date Oct. 10, 2026 [3] Oct. 10, 2026 [4]
Base Interest Rate 7.59% [3] 7.59% [4]
Principal Outstanding $ 37,348,957 [3] $ 7,560,034 [4]
San Vicente [Member] | Series A [Member] | Soledad, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Nov. 01, 2033 [1] Nov. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 3,296,965 [1] $ 3,333,357 [2]
Santa Fe Apartments [Member] | Series A [Member] | Hesperia California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2014 [6] 2014 [7]
Maturity Date Dec. 01, 2031 [6] Dec. 01, 2031 [7]
Base Interest Rate 5.75% [6] 5.75% [7]
Principal Outstanding $ 2,788,112 [6] $ 2,830,055 [7]
Seasons at Simi Valley [Member] | Series A [Member] | Simi Valley, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Sep. 01, 2032 [1] Sep. 01, 2032 [2]
Base Interest Rate 5.75% [1] 5.75% [2]
Principal Outstanding $ 4,025,911 [1] $ 4,083,273 [2]
Seasons Lakewood [Member] | Series A [Member] | Lakewood, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jan. 01, 2034 [1] Jan. 01, 2034 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 6,953,024 [1] $ 7,028,608 [2]
Seasons San Juan Capistrano [Member] | Series A [Member] | San Juan Capistrano California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Jan. 01, 2034 [1] Jan. 01, 2034 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 11,706,622 [1] $ 11,833,880 [2]
Silver Moon [Member] | Series A [Member] | Albuquerque, NM [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [6] 2015 [7]
Maturity Date Aug. 01, 2055 [6] Aug. 01, 2055 [7]
Base Interest Rate 6.00% [6] 6.00% [7]
Principal Outstanding $ 7,398,857 [6] $ 7,480,455 [7]
Solano Vista [Member] | Series A [Member] | Vallejo, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2018 [8] 2018
Maturity Date Jan. 01, 2036 [8] Jan. 01, 2036
Base Interest Rate 5.85% [8] 5.85%
Principal Outstanding $ 2,591,588 [8] $ 2,611,955
Southpark [Member] | Austin,TX [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired   2009
Maturity Date   Dec. 01, 2049
Base Interest Rate   6.13%
Principal Outstanding   $ 12,300,000
Summerhill [Member] | Series A [Member] | Bakersfield, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Dec. 01, 2033 [1] Dec. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 6,070,437 [1] $ 6,136,763 [2]
Sycamore Walk [Member] | Series A [Member] | Bakersfield, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Jan. 01, 2033 [1] Jan. 01, 2033 [2]
Base Interest Rate 5.25% [1] 5.25% [2]
Principal Outstanding $ 3,330,230 [1] $ 3,380,901 [2]
The Palms at Premier Park Apartments | Columbia South Carolina    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [8] 2013 [5]
Maturity Date Jan. 01, 2050 [8] Jan. 01, 2050 [5]
Base Interest Rate 6.25% [8] 6.25% [5]
Principal Outstanding $ 17,590,997 [8] $ 17,872,527 [5]
Tyler Park Townhomes [Member] | Greenfield California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [8] 2013 [5]
Maturity Date Jan. 01, 2030 [8] Jan. 01, 2030 [5]
Base Interest Rate 5.75% [8] 5.75% [5]
Principal Outstanding $ 5,445,686 [8] $ 5,533,307 [5]
Village at Avalon [Member] | Albuquerque, NM [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2018 [8] 2018 [11]
Maturity Date Jan. 01, 2059 [8] Jan. 01, 2059 [11]
Base Interest Rate 5.80% [8] 5.80% [11]
Principal Outstanding $ 15,665,803 [8] $ 15,808,184 [11]
Village at Hanford Square [Member] | Hanford, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [4]   2023
Maturity Date [4]   May 01, 2030
Base Interest Rate [4]   6.65%
Principal Outstanding [4]   $ 10,400,000
Village at Hanford Square [Member] | Series H [Member] | Hanford, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2023  
Maturity Date [3] May 01, 2030  
Base Interest Rate [3] 6.65%  
Principal Outstanding [3] $ 10,400,000  
Village Point Apartments [Member] | Monroe, NJ [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [12] 2023 [10]
Maturity Date Jun. 01, 2030 [12] Jun. 01, 2030 [10]
Base Interest Rate 6.875% [12] 6.875% [10]
Principal Outstanding $ 23,000,000 [12] $ 23,000,000 [10]
The Village at Madera [Member] | Series A [Member] | Madera, California [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2016 [1] 2016 [2]
Maturity Date Dec. 01, 2033 [1] Dec. 01, 2033 [2]
Base Interest Rate 5.00% [1] 5.00% [2]
Principal Outstanding $ 2,915,662 [1] $ 2,947,519 [2]
Village at River's Edge [Member] | Columbia South Carolina    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [1] 2017 [2]
Maturity Date Jun. 01, 2033 [1] Jun. 01, 2033 [2]
Base Interest Rate 6.00% [1] 6.00% [2]
Principal Outstanding $ 9,477,407 [1] $ 9,566,110 [2]
Vineyard Gardens | Series A [Member] | Oxnard, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2017 [8] 2017 [4]
Maturity Date Jan. 01, 2035 [8] Jan. 01, 2035 [4]
Base Interest Rate 5.50% [8] 5.50% [4]
Principal Outstanding $ 3,839,951 [8] $ 3,874,962 [4]
Westside Village Market [Member] | Shafter California    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [8] 2013 [5]
Maturity Date Jan. 01, 2030 [8] Jan. 01, 2030 [5]
Base Interest Rate 5.75% [8] 5.75% [5]
Principal Outstanding $ 3,558,747 [8] $ 3,616,007 [5]
Wellspring Apartments [Member] | Long Beach, CA [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [8] 2024  
Maturity Date [8] Sep. 01, 2039  
Base Interest Rate [8] 4.85%  
Principal Outstanding [8] $ 3,870,922  
Willow Run [Member] | Columbia South Carolina    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2015 [1] 2015 [2]
Maturity Date Dec. 01, 2050 [1] Dec. 01, 2050 [2]
Base Interest Rate 5.50% [1] 5.50% [2]
Principal Outstanding $ 11,930,000 [1] $ 12,111,000 [2]
Windsor Shores Apartments [Member] | Columbia South Carolina    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2023 [3] 2023 [4]
Maturity Date Feb. 01, 2030 [3] Feb. 01, 2030 [4]
Base Interest Rate 6.50% [3] 6.50% [4]
Principal Outstanding $ 21,545,000 [3] $ 21,545,000 [4]
Copper Gate Apartments [Member] | Lafayette, Indiana [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired 2013 [8] 2013 [5]
Maturity Date Dec. 01, 2029 [8] Dec. 01, 2029 [5]
Base Interest Rate 6.25% [8] 6.25% [5]
Principal Outstanding $ 4,715,000 [8] $ 4,780,000 [5]
Woodington Gardens Apartments [Member] | Series A-1 [Member] | Baltimore, MD [Member]    
Summary Of Investment Holdings [Line Items]    
Year Acquired [3] 2024  
Maturity Date [3] May 01, 2029  
Base Interest Rate [3] 7.80%  
Principal Outstanding [3] $ 31,150,000  
[1] MRB owned by ATAX TEBS IV, LLC (M45 TEBS Financing), Note 13
[2] MRB owned by ATAX TEBS III, LLC (M33 TEBS Financing), Note 13
[3] MRB held by Mizuho in a TOB trust financing transaction, Note 13
[4] MRB held by Morgan Stanley in a debt financing transaction, Note 13
[5] MRB owned by ATAX TEBS I, LLC (M24 TEBS Financing), Note 13
[6] MRB owned by ATAX TEBS III, LLC (M33 TEBS Financing), Note 13
[7] MRB owned by ATAX TEBS II, LLC (M31 TEBS Financing), Note 13
[8] 2024 PFA Securitization Bond associated with the 2024 PFA Securitization Transaction and TEBS Residual Financing, Note 13
[9] MRB held by Mizuho in a TOB trust financing transaction, Note 13.
[10] MRB held by Mizuho in a TOB trust financing transaction, Note 13
[11] MRB owned by ATAX TEBS IV, LLC (M45 TEBS Financing), Note 13
[12] MRB held by Barclays in a TOB trust financing transaction, Note 13