Investments in Mortgage Revenue Bonds - Description of Certain Terms of Partnership's MRBs (Details) - USD ($)		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018
Summary Of Investment Holdings [Line Items]
Principal Outstanding		$ 679,679,604		$ 677,698,116
15 West Apartments [Member] | Series A [Member] | Vancouver Washington
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jul. 01, 2054		Jul. 01, 2054
Base Interest Rate	[1]	6.25%		6.25%
Principal Outstanding	[1]	$ 9,673,117		$ 9,737,418
Arbors at Hickory Ridge [Member] | Memphis, Tennessee [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2012	[2]	2012	[3]
Maturity Date		Jan. 01, 2049	[2]	Jan. 01, 2049	[3]
Base Interest Rate		6.25%	[2]	6.25%	[3]
Principal Outstanding		$ 10,985,959	[2]	$ 11,115,410	[3]
Avistar at Copperfield [Member] | Series A [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2017		2017
Maturity Date	[4]	May 01, 2054		May 01, 2054
Base Interest Rate	[4]	5.75%		5.75%
Principal Outstanding	[4]	$ 13,945,681		$ 10,000,000
Avistar at Copperfield [Member] | Series B [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired				2017
Maturity Date				Jun. 01, 2054
Base Interest Rate				12.00%
Principal Outstanding				$ 4,000,000
Avistar on the Boulevard [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[2]	2013
Maturity Date	[2]	Mar. 01, 2050
Base Interest Rate	[2]	6.00%
Principal Outstanding	[2]	$ 15,762,217
Avistar at the Crest [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Mar. 01, 2050	[2]	Mar. 01, 2050	[3]
Base Interest Rate		6.00%	[2]	6.00%	[3]
Principal Outstanding		$ 9,252,257	[2]	$ 9,357,374	[3]
Avistar (February 2013 Acquisition) [Member] | Series B [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013		2013
Maturity Date		Apr. 01, 2050		Apr. 01, 2050
Base Interest Rate		9.00%		9.00%
Principal Outstanding		$ 1,181,107		$ 1,188,251
Avistar at the Oaks [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Aug. 01, 2050	[2]	Aug. 01, 2050	[3]
Base Interest Rate		6.00%	[2]	6.00%	[3]
Principal Outstanding		$ 7,475,794	[2]	$ 7,558,240	[3]
Avistar in 09 [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Aug. 01, 2050	[2]	Aug. 01, 2050	[3]
Base Interest Rate		6.00%	[2]	6.00%	[3]
Principal Outstanding		$ 6,455,058	[2]	$ 6,526,247	[3]
Avistar on the Hills [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Aug. 01, 2050	[2]	Aug. 01, 2050	[3]
Base Interest Rate		6.00%	[2]	6.00%	[3]
Principal Outstanding		$ 5,118,097	[2]	$ 5,221,971	[3]
Avistar (June 2013 Acquisition) [Member] | Series B [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013		2013
Maturity Date		Sep. 01, 2050		Sep. 01, 2050
Base Interest Rate		9.00%		9.00%
Principal Outstanding		$ 989,411		$ 995,162
Avistar at the Parkway [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2015	[5]	2015	[6]
Maturity Date		May 01, 2052	[5]	May 01, 2052	[6]
Base Interest Rate		6.00%	[5]	6.00%	[6]
Principal Outstanding		$ 12,854,039	[5]	$ 13,114,418	[6]
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		$ 124,305		$ 124,600
Avistar at Wilcrest [Member] | Series A [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2017		2017
Maturity Date	[4]	May 01, 2054		May 01, 2054
Base Interest Rate	[4]	5.75%		5.75%
Principal Outstanding	[4]	$ 5,285,131		$ 3,775,000
Avistar at Wilcrest [Member] | Series B [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired				2017
Maturity Date				Jun. 01, 2054
Base Interest Rate				12.00%
Principal Outstanding				$ 1,550,000
Bridle Ridge [Member] | Greer South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2008		2008
Maturity Date	[7]	Jan. 01, 2043		Jan. 01, 2043
Base Interest Rate	[7]	6.00%		6.00%
Principal Outstanding	[7]	$ 7,315,000		$ 7,395,000
Avistar at Wood Hollow [Member] | Series A [Member] | Austin,TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2017		2017
Maturity Date	[4]	May 01, 2054		May 01, 2054
Base Interest Rate	[4]	5.75%		5.75%
Principal Outstanding	[4]	$ 40,129,878		$ 31,850,000
Avistar at Wood Hollow [Member] | Series B [Member] | Austin,TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired				2017
Maturity Date				Jun. 01, 2054
Base Interest Rate				12.00%
Principal Outstanding				$ 8,410,000
Brookstone [Member] | Waukegan, Illinois [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2009		2009
Maturity Date	[7]	May 01, 2040		May 01, 2040
Base Interest Rate	[7]	5.45%		5.45%
Principal Outstanding	[7]	$ 8,767,616		$ 8,876,298
Bruton Apartments [Member] | Dallas Texas [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2014		2014
Maturity Date	[1]	Aug. 01, 2054		Aug. 01, 2054
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 17,807,768		$ 17,933,482
Columbia Gardens [Member] | Columbia South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Dec. 01, 2050		Dec. 01, 2050
Base Interest Rate	[1]	5.50%		5.50%
Principal Outstanding	[1]	$ 12,922,000		$ 13,061,000
Companion at Thornhill Apartments [Member] | Lexington, South Carolina [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jan. 01, 2052		Jan. 01, 2052
Base Interest Rate	[1]	5.80%		5.80%
Principal Outstanding	[1]	$ 11,178,557		$ 11,294,928
Concord at Gulfgate [Member] | Series A [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Feb. 01, 2032		Feb. 01, 2032
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 18,975,786		$ 19,144,400
Concord at Little York [Member] | Series A [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Feb. 01, 2032		Feb. 01, 2032
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 13,293,436		$ 13,411,558
Concord at Williamcrest [Member] | Series A [Member] | Houston, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Feb. 01, 2032		Feb. 01, 2032
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 20,592,957		$ 20,775,940
Courtyard [Member] | Series A [Member] | Fullerton California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Dec. 01, 2033		Dec. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 10,147,686		$ 10,230,000
Courtyard [Member] | Series B [Member] | Fullerton California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired				2016
Maturity Date				Jun. 01, 2019
Base Interest Rate				8.00%
Principal Outstanding				$ 6,228,000
Cross Creek [Member] | Beaufort, South Carolina [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2009		2009
Maturity Date	[7]	Mar. 01, 2049		Mar. 01, 2049
Base Interest Rate	[7]	6.15%		6.15%
Principal Outstanding	[7]	$ 7,970,921		$ 8,072,754
Crossing at 1415 [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Dec. 01, 2052		Dec. 01, 2052
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 7,405,406		$ 7,474,716
Decatur Angle [Member] | Fort Worth, Texas [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2014		2014
Maturity Date	[1]	Jan. 01, 2054		Jan. 01, 2054
Base Interest Rate	[1]	5.75%		5.75%
Principal Outstanding	[1]	$ 22,455,747		$ 22,630,276
Esperanza at Palo Alto [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2018		2018
Maturity Date	[1]	Jul. 01, 2058		Jul. 01, 2058
Base Interest Rate	[1]	5.80%		5.80%
Principal Outstanding	[1]	$ 19,356,959		$ 19,487,713
Gateway Village [Member] | Durham North Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2019
Maturity Date	[4]	Apr. 01, 2032
Base Interest Rate	[4]	6.10%
Principal Outstanding	[4]	$ 2,600,000
Glenview Apartments [Member] | Series A [Member] | Cameron Park California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[5]	2014	[6]
Maturity Date		Dec. 01, 2031	[5]	Dec. 01, 2031	[6]
Base Interest Rate		5.75%	[5]	5.75%	[6]
Principal Outstanding		$ 4,533,958	[5]	$ 4,581,930	[6]
Greens Property [Member] | Series A [Member] | Durham North Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2012	[5]	2012	[3]
Maturity Date		Oct. 01, 2047	[5]	Oct. 01, 2047	[3]
Base Interest Rate		6.50%	[5]	6.50%	[3]
Principal Outstanding		$ 7,936,000	[5]	$ 8,032,000	[3]
Greens Property [Member] | Series B [Member] | Durham North Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2012		2012
Maturity Date		Oct. 01, 2047		Oct. 01, 2047
Base Interest Rate		12.00%		12.00%
Principal Outstanding		$ 930,016		$ 933,928
Harden Ranch [Member] | Series A [Member] | Salinas California
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[2]	2014	[3]
Maturity Date		Mar. 01, 2030	[2]	Mar. 01, 2030	[3]
Base Interest Rate		5.75%	[2]	5.75%	[3]
Principal Outstanding		$ 6,700,868	[2]	$ 6,775,508	[3]
Harmony Court Bakersfield [Member] | Series A [Member] | Bakersfield, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Dec. 01, 2033		Dec. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 3,699,987		$ 3,730,000
Harmony Terrace [Member] | Series A [Member] | Simi Valley, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jan. 01, 2034		Jan. 01, 2034
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 6,849,214		$ 6,900,000
Heights at 515 [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Dec. 01, 2052		Dec. 01, 2052
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 6,779,777		$ 6,843,232
Heritage Square [Member] | Series A [Member] | Edinburg Texas
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[5]	2014	[6]
Maturity Date		Sep. 01, 2051	[5]	Sep. 01, 2051	[6]
Base Interest Rate		6.00%	[5]	6.00%	[6]
Principal Outstanding		$ 10,695,037	[5]	$ 10,958,661	[6]
Las Palmas II [Member] | Series A [Member] | Coachella, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Nov. 01, 2033		Nov. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 1,679,022		$ 1,692,774
Live 929 Apartments [Member] | Baltimore Maryland
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[8]	2014	[4]
Maturity Date		Jul. 01, 2049	[8]	Jul. 01, 2049	[4]
Base Interest Rate		5.78%	[8]	5.78%	[4]
Principal Outstanding		$ 39,685,000	[8]	$ 39,875,000	[4]
Lynnhaven Apartments [Member] | Durham North Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2019
Maturity Date	[4]	Apr. 01, 2032
Base Interest Rate	[4]	6.10%
Principal Outstanding	[4]	$ 3,450,000
Montclair Apartments [Member] | Series A [Member] | Lemoore California
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[5]	2014	[6]
Maturity Date		Dec. 01, 2031	[5]	Dec. 01, 2031	[6]
Base Interest Rate		5.75%	[5]	5.75%	[6]
Principal Outstanding		$ 2,456,298	[5]	$ 2,482,288	[6]
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		$ 7,681,146	[8]	$ 7,690,000	[4]
Montevista [Member] | Series A [Member] | San Pablo, CA [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2019
Maturity Date		Jul. 01, 2036
Base Interest Rate		5.75%
Principal Outstanding		$ 6,720,000
Montevista [Member] | Series B [Member] | San Pablo, CA [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2019
Maturity Date		Jul. 01, 2021
Base Interest Rate		5.75%
Principal Outstanding		$ 6,480,000
Oaks at Georgetown [Member] | Series A [Member] | Georgetown, Texas [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jan. 01, 2034		Jan. 01, 2034
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 12,239,247		$ 12,330,000
Ohio Properties [Member] | Series A [Member] | OH [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2010	[7]	2010	[1]
Maturity Date		Jun. 01, 2050	[7]	Jun. 01, 2050	[1]
Base Interest Rate		7.00%	[7]	7.00%	[1]
Principal Outstanding		$ 13,857,000	[7]	$ 13,989,000	[1]
Ohio Properties [Member] | Series B [Member] | OH [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2010		2010
Maturity Date		Jun. 01, 2050		Jun. 01, 2050
Base Interest Rate		10.00%		10.00%
Principal Outstanding		$ 3,504,170		$ 3,520,900
Pro Nova 2014-1 [Member] | Knoxville Tennessee
Summary Of Investment Holdings [Line Items]
Year Acquired	[4]	2014		2014
Maturity Date	[4]	May 01, 2034		May 01, 2034
Base Interest Rate	[4]	6.00%		6.00%
Principal Outstanding	[4]	$ 10,000,000		$ 10,000,000
Renaissance [Member] | Series A [Member] | Baton Rouge, Louisiana [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2015	[5]	2015	[6]
Maturity Date		Jun. 01, 2050	[5]	Jun. 01, 2050	[6]
Base Interest Rate		6.00%	[5]	6.00%	[6]
Principal Outstanding		$ 11,001,027	[5]	$ 11,123,800	[6]
Rosewood Townhomes [Member] | Series A [Member] | Goose Creek South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2017	[8]	2017
Maturity Date		Jul. 01, 2055	[8]	Jul. 01, 2055
Base Interest Rate		5.75%	[8]	5.75%
Principal Outstanding		$ 9,280,000	[8]	$ 9,280,000
Rosewood Townhomes [Member] | Series B [Member] | Goose Creek South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2017		2017
Maturity Date		Aug. 01, 2055		Aug. 01, 2055
Base Interest Rate		12.00%		12.00%
Principal Outstanding		$ 470,000		$ 470,000
Runnymede [Member] | Austin,TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2007		2007
Maturity Date	[7]	Oct. 01, 2042		Oct. 01, 2042
Base Interest Rate	[7]	6.00%		6.00%
Principal Outstanding	[7]	$ 9,925,000		$ 10,040,000
San Vicente [Member] | Series A [Member] | Soledad, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Nov. 01, 2033		Nov. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 3,462,053		$ 3,490,410
Santa Fe Apartments [Member] | Series A [Member] | Hesperia California
Summary Of Investment Holdings [Line Items]
Year Acquired		2014	[5]	2014	[6]
Maturity Date		Dec. 01, 2031	[5]	Dec. 01, 2031	[6]
Base Interest Rate		5.75%	[5]	5.75%	[6]
Principal Outstanding		$ 2,975,713	[5]	$ 3,007,198	[6]
Seasons at Simi Valley [Member] | Series A [Member] | Simi Valley, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Sep. 01, 2032		Sep. 01, 2032
Base Interest Rate	[1]	5.75%		5.75%
Principal Outstanding	[1]	$ 4,282,477		$ 4,325,536
Seasons Lakewood [Member] | Series A [Member] | Lakewood, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jan. 01, 2034		Jan. 01, 2034
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 7,295,901		$ 7,350,000
Seasons San Juan Capistrano [Member] | Series A [Member] | San Juan Capistrano California
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Jan. 01, 2034		Jan. 01, 2034
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 12,283,916		$ 12,375,000
Seasons San Juan Capistrano [Member] | Series B [Member] | San Juan Capistrano California
Summary Of Investment Holdings [Line Items]
Year Acquired				2016
Maturity Date				Jan. 01, 2019
Base Interest Rate				8.00%
Principal Outstanding				$ 5,574,000
Silver Moon [Member] | Series A [Member] | Albuquerque, NM [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2015	[5]	2015	[6]
Maturity Date		Aug. 01, 2055	[5]	Aug. 01, 2055	[6]
Base Interest Rate		6.00%	[5]	6.00%	[6]
Principal Outstanding		$ 7,762,116	[5]	$ 7,822,610	[6]
Solano Vista [Member] | Series A [Member] | Vallejo, CA [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2018		2018
Maturity Date		Jan. 01, 2036		Jan. 01, 2036
Base Interest Rate		5.85%		5.85%
Principal Outstanding		$ 2,665,000		$ 2,665,000
Solano Vista [Member] | Series B [Member] | Vallejo, CA [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2018		2018
Maturity Date		Jan. 01, 2021		Jan. 01, 2021
Base Interest Rate		5.85%		5.85%
Principal Outstanding		$ 3,103,000		$ 3,103,000
South Pointe Apartments [Member] | Series A [Member] | Hanahan South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2017	[8]	2017
Maturity Date		Jul. 01, 2055	[8]	Jul. 01, 2055
Base Interest Rate		5.75%	[8]	5.75%
Principal Outstanding		$ 21,600,000	[8]	$ 21,600,000
South Pointe Apartments [Member] | Series B [Member] | Hanahan South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2017		2017
Maturity Date		Aug. 01, 2055		Aug. 01, 2055
Base Interest Rate		12.00%		12.00%
Principal Outstanding		$ 1,100,000		$ 1,100,000
Southpark [Member] | Austin,TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2009		2009
Maturity Date	[7]	Dec. 01, 2049		Dec. 01, 2049
Base Interest Rate	[7]	6.13%		6.13%
Principal Outstanding	[7]	$ 13,005,000		$ 13,155,000
Summerhill [Member] | Series A [Member] | Bakersfield, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Dec. 01, 2033		Dec. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 6,371,318		$ 6,423,000
Sycamore Walk [Member] | Series A [Member] | Bakersfield, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Jan. 01, 2033		Jan. 01, 2033
Base Interest Rate	[1]	5.25%		5.25%
Principal Outstanding	[1]	$ 3,559,011		$ 3,598,006
The Palms at Premier Park Apartments | Columbia South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Jan. 01, 2050	[2]	Jan. 01, 2050	[3]
Base Interest Rate		6.25%	[2]	6.25%	[3]
Principal Outstanding		$ 18,838,478	[2]	$ 19,044,617	[3]
Tyler Park Townhomes [Member] | Greenfield California
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Jan. 01, 2030	[2]	Jan. 01, 2030	[3]
Base Interest Rate		5.75%	[2]	5.75%	[3]
Principal Outstanding		$ 5,837,595	[2]	$ 5,903,368	[3]
The Village at Madera [Member] | Series A [Member] | Madera, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2016		2016
Maturity Date	[1]	Dec. 01, 2033		Dec. 01, 2033
Base Interest Rate	[1]	5.00%		5.00%
Principal Outstanding	[1]	$ 3,060,177		$ 3,085,000
Village at Avalon [Member] | Albuquerque, NM [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2018	[9]	2018
Maturity Date		Jan. 01, 2059	[9]	Jan. 01, 2059
Base Interest Rate		5.80%	[9]	5.80%
Principal Outstanding		$ 16,302,038	[9]	$ 16,400,000
Village at River's Edge [Member] | Columbia South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2017		2017
Maturity Date	[1]	Jun. 01, 2033		Jun. 01, 2033
Base Interest Rate	[1]	6.00%		6.00%
Principal Outstanding	[1]	$ 9,872,297		$ 9,938,059
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		$ 3,995,000	[8]	$ 3,995,000	[4]
Westside Village Market [Member] | Shafter, California [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Jan. 01, 2030	[2]	Jan. 01, 2030	[3]
Base Interest Rate		5.75%	[2]	5.75%	[3]
Principal Outstanding		$ 3,814,857	[2]	$ 3,857,839	[3]
Willow Run [Member] | Columbia South Carolina
Summary Of Investment Holdings [Line Items]
Year Acquired	[1]	2015		2015
Maturity Date	[1]	Dec. 01, 2050		Dec. 01, 2050
Base Interest Rate	[1]	5.50%		5.50%
Principal Outstanding	[1]	$ 12,742,000		$ 12,879,000
Woodlynn Village [Member] | Maplewood, Minnesota [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[7]	2008		2008
Maturity Date	[7]	Nov. 01, 2042		Nov. 01, 2042
Base Interest Rate	[7]	6.00%		6.00%
Principal Outstanding	[7]	$ 4,172,000		$ 4,221,000
Avistar on the Boulevard [Member] | Series A [Member] | San Antonio, TX [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired	[3]			2013
Maturity Date	[3]			Mar. 01, 2050
Base Interest Rate	[3]			6.00%
Principal Outstanding	[3]			$ 15,941,296
Copper Gate Apartments [Member] | Lafayette, Indiana [Member]
Summary Of Investment Holdings [Line Items]
Year Acquired		2013	[2]	2013	[3]
Maturity Date		Dec. 01, 2029	[2]	Dec. 01, 2029	[3]
Base Interest Rate		6.25%	[2]	6.25%	[3]
Principal Outstanding		$ 5,005,000	[2]	$ 5,055,000	[3]

[1] MRB owned by ATAX TEBS IV, LLC (M45 TEBS), see Note 15

[2] MRB owned by ATAX TEBS II, LLC (M31 TEBS), see Note 15

[3] MRB held by ATAX TEBS II, LLC (M31 TEBS), see Note 15

[4] MRB held by Deutsche Bank in a secured financing transaction, see Note 15

[5] MRB owned by ATAX TEBS III, LLC (M33 TEBS), see Note 15

[6] MRB owned by ATAX TEBS III, LLC (M33 TEBS), see Note 15 MRB owned by ATAX TEBS IV, LLC (M45 TEBS), see Note 15

[7] MRB owned by ATAX TEBS I, LLC (M24 TEBS), see Note 15

[8] MRB held by Mizuho Capital Markets, LLC in a secured financing transaction, see Note 15

[9] MRB held by Morgan Stanley in a secured financing transaction, see Note 15