Real Estate and Accumulated Depreciation - Schedule of Real Estate and Accumulated Depreciation (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) apartment_home	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Number of apartment communities | apartment_home	1,480
Real Estate and Accumulated Depreciation (Textual) [Abstract]
Aggregate cost of land and depreciable property for federal income tax purposes	$ 4,000,000
Aimco Real Estate
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Total	8,308,590	$ 7,927,753	$ 7,931,117	$ 7,744,894
Accumulated Depreciation (AD)	$ (2,585,115)	$ (2,522,358)	$ (2,421,357)	$ (2,488,448)
Aimco Real Estate | Real Estate Segment: | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Number of apartment communities | apartment_home	35,625
Initial Cost, Land	$ 1,846,000
Initial Cost, Buildings and Improvements	3,494,014
Costs Capitalized Subsequent to Consolidation	3,058,051
Land	1,756,525
Buildings and Improvements	6,552,065
Total	8,308,590
Accumulated Depreciation (AD)	(2,585,115)
Total Cost Net of Accumulated Depreciation	5,723,475
Encumbrances	$ 3,937,000
Aimco Real Estate | 100 Forest Place | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Dec. 01, 1997
Location	Oak Park, IL
Number of apartment communities | apartment_home	234
Initial Cost, Land	$ 2,664
Initial Cost, Buildings and Improvements	18,815
Costs Capitalized Subsequent to Consolidation	10,553
Land	2,664
Buildings and Improvements	29,368
Total	32,032
Accumulated Depreciation (AD)	(15,640)
Total Cost Net of Accumulated Depreciation	16,392
Encumbrances	$ 35,048
Aimco Real Estate | 118-122 West 23rd Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jun. 01, 2012
Location	New York, NY
Number of apartment communities | apartment_home	42
Initial Cost, Land	$ 14,985
Initial Cost, Buildings and Improvements	23,459
Costs Capitalized Subsequent to Consolidation	6,752
Land	14,985
Buildings and Improvements	30,211
Total	45,196
Accumulated Depreciation (AD)	(9,121)
Total Cost Net of Accumulated Depreciation	36,075
Encumbrances	$ 17,457
Aimco Real Estate | 173 E. 90th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	May 04, 2004
Location	New York, NY
Number of apartment communities | apartment_home	72
Initial Cost, Land	$ 12,066
Initial Cost, Buildings and Improvements	4,535
Costs Capitalized Subsequent to Consolidation	8,068
Land	12,066
Buildings and Improvements	12,603
Total	24,669
Accumulated Depreciation (AD)	(3,730)
Total Cost Net of Accumulated Depreciation	20,939
Encumbrances	$ 0
Aimco Real Estate | 182-188 Columbus Avenue | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Feb. 01, 2007
Location	New York, NY
Number of apartment communities | apartment_home	32
Initial Cost, Land	$ 19,123
Initial Cost, Buildings and Improvements	3,300
Costs Capitalized Subsequent to Consolidation	5,513
Land	19,123
Buildings and Improvements	8,813
Total	27,936
Accumulated Depreciation (AD)	(3,968)
Total Cost Net of Accumulated Depreciation	23,968
Encumbrances	$ 13,925
Aimco Real Estate | 1045 on the Park Apartments Homes | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Jul. 01, 2013
Location	Atlanta, GA
Number of apartment communities | apartment_home	30
Initial Cost, Land	$ 2,793
Initial Cost, Buildings and Improvements	6,662
Costs Capitalized Subsequent to Consolidation	692
Land	2,793
Buildings and Improvements	7,354
Total	10,147
Accumulated Depreciation (AD)	(1,423)
Total Cost Net of Accumulated Depreciation	8,724
Encumbrances	$ 5,627
Aimco Real Estate | 1582 First Avenue | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Mar. 01, 2005
Location	New York, NY
Number of apartment communities | apartment_home	17
Initial Cost, Land	$ 4,281
Initial Cost, Buildings and Improvements	752
Costs Capitalized Subsequent to Consolidation	499
Land	4,281
Buildings and Improvements	1,251
Total	5,532
Accumulated Depreciation (AD)	(578)
Total Cost Net of Accumulated Depreciation	4,954
Encumbrances	$ 2,273
Aimco Real Estate | 21 Fitzsimons | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Aug. 01, 2014
Location	Aurora, CO
Number of apartment communities | apartment_home	600
Initial Cost, Land	$ 12,864
Initial Cost, Buildings and Improvements	104,720
Costs Capitalized Subsequent to Consolidation	20,379
Land	12,864
Buildings and Improvements	125,099
Total	137,963
Accumulated Depreciation (AD)	(19,590)
Total Cost Net of Accumulated Depreciation	118,373
Encumbrances	$ 90,000
Aimco Real Estate | 2200 Grace | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Aug. 01, 2018
Location	Lombard, IL
Number of apartment communities | apartment_home	72
Initial Cost, Land	$ 642
Initial Cost, Buildings and Improvements	7,788
Costs Capitalized Subsequent to Consolidation	90
Land	642
Buildings and Improvements	7,878
Total	8,520
Accumulated Depreciation (AD)	(4,014)
Total Cost Net of Accumulated Depreciation	4,506
Encumbrances	$ 0
Aimco Real Estate | 234 East 88th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Jan. 01, 2014
Location	New York, NY
Number of apartment communities | apartment_home	20
Initial Cost, Land	$ 2,448
Initial Cost, Buildings and Improvements	4,449
Costs Capitalized Subsequent to Consolidation	807
Land	2,448
Buildings and Improvements	5,256
Total	7,704
Accumulated Depreciation (AD)	(1,154)
Total Cost Net of Accumulated Depreciation	6,550
Encumbrances	$ 3,223
Aimco Real Estate | 236-238 East 88th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 04, 2004
Location	New York, NY
Number of apartment communities | apartment_home	43
Initial Cost, Land	$ 8,820
Initial Cost, Buildings and Improvements	2,914
Costs Capitalized Subsequent to Consolidation	2,681
Land	8,820
Buildings and Improvements	5,595
Total	14,415
Accumulated Depreciation (AD)	(1,930)
Total Cost Net of Accumulated Depreciation	12,485
Encumbrances	$ 10,875
Aimco Real Estate | 237-239 Ninth Avenue | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Mar. 01, 2005
Location	New York, NY
Number of apartment communities | apartment_home	36
Initial Cost, Land	$ 8,495
Initial Cost, Buildings and Improvements	1,866
Costs Capitalized Subsequent to Consolidation	3,092
Land	8,495
Buildings and Improvements	4,958
Total	13,453
Accumulated Depreciation (AD)	(2,770)
Total Cost Net of Accumulated Depreciation	10,683
Encumbrances	$ 5,553
Aimco Real Estate | 240 West 73rd Street, LLC | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Sep. 01, 2004
Location	New York, NY
Number of apartment communities | apartment_home	200
Initial Cost, Land	$ 68,109
Initial Cost, Buildings and Improvements	12,140
Costs Capitalized Subsequent to Consolidation	11,905
Land	68,109
Buildings and Improvements	24,045
Total	92,154
Accumulated Depreciation (AD)	(9,818)
Total Cost Net of Accumulated Depreciation	82,336
Encumbrances	$ 0
Aimco Real Estate | 2900 on First Apartments | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Oct. 01, 2008
Location	Seattle, WA
Number of apartment communities | apartment_home	135
Initial Cost, Land	$ 19,070
Initial Cost, Buildings and Improvements	17,518
Costs Capitalized Subsequent to Consolidation	33,542
Land	19,070
Buildings and Improvements	51,060
Total	70,130
Accumulated Depreciation (AD)	(25,554)
Total Cost Net of Accumulated Depreciation	44,576
Encumbrances	$ 13,915
Aimco Real Estate | 306 East 89th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jul. 04, 2004
Location	New York, NY
Number of apartment communities | apartment_home	20
Initial Cost, Land	$ 2,680
Initial Cost, Buildings and Improvements	1,006
Costs Capitalized Subsequent to Consolidation	1,098
Land	2,680
Buildings and Improvements	2,104
Total	4,784
Accumulated Depreciation (AD)	(888)
Total Cost Net of Accumulated Depreciation	3,896
Encumbrances	$ 1,854
Aimco Real Estate | 311 & 313 East 73rd Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Mar. 01, 2003
Location	New York, NY
Number of apartment communities | apartment_home	34
Initial Cost, Land	$ 5,678
Initial Cost, Buildings and Improvements	1,609
Costs Capitalized Subsequent to Consolidation	520
Land	5,678
Buildings and Improvements	2,129
Total	7,807
Accumulated Depreciation (AD)	(1,487)
Total Cost Net of Accumulated Depreciation	6,320
Encumbrances	$ 3,904
Aimco Real Estate | 322-324 East 61st Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Mar. 01, 2005
Location	New York, NY
Number of apartment communities | apartment_home	40
Initial Cost, Land	$ 6,372
Initial Cost, Buildings and Improvements	2,224
Costs Capitalized Subsequent to Consolidation	1,512
Land	6,372
Buildings and Improvements	3,736
Total	10,108
Accumulated Depreciation (AD)	(1,830)
Total Cost Net of Accumulated Depreciation	8,278
Encumbrances	$ 3,410
Aimco Real Estate | 3400 Avenue of the Arts | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Mar. 31, 2002
Location	Costa Mesa, CA
Number of apartment communities | apartment_home	770
Initial Cost, Land	$ 57,241
Initial Cost, Buildings and Improvements	65,506
Costs Capitalized Subsequent to Consolidation	80,349
Land	57,241
Buildings and Improvements	145,855
Total	203,096
Accumulated Depreciation (AD)	(86,923)
Total Cost Net of Accumulated Depreciation	116,173
Encumbrances	$ 145,752
Aimco Real Estate | 452 East 78th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 04, 2004
Location	New York, NY
Number of apartment communities | apartment_home	12
Initial Cost, Land	$ 1,982
Initial Cost, Buildings and Improvements	608
Costs Capitalized Subsequent to Consolidation	548
Land	1,982
Buildings and Improvements	1,156
Total	3,138
Accumulated Depreciation (AD)	(486)
Total Cost Net of Accumulated Depreciation	2,652
Encumbrances	$ 2,542
Aimco Real Estate | 464-466 Amsterdam & 200-210 W. 83rd Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Feb. 01, 2007
Location	New York, NY
Number of apartment communities | apartment_home	71
Initial Cost, Land	$ 25,553
Initial Cost, Buildings and Improvements	7,101
Costs Capitalized Subsequent to Consolidation	6,070
Land	25,553
Buildings and Improvements	13,171
Total	38,724
Accumulated Depreciation (AD)	(6,031)
Total Cost Net of Accumulated Depreciation	32,693
Encumbrances	$ 20,520
Aimco Real Estate | 510 East 88th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 04, 2004
Location	New York, NY
Number of apartment communities | apartment_home	20
Initial Cost, Land	$ 3,163
Initial Cost, Buildings and Improvements	1,002
Costs Capitalized Subsequent to Consolidation	622
Land	3,163
Buildings and Improvements	1,624
Total	4,787
Accumulated Depreciation (AD)	(642)
Total Cost Net of Accumulated Depreciation	4,145
Encumbrances	$ 2,724
Aimco Real Estate | 514-516 East 88th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Mar. 01, 2005
Location	New York, NY
Number of apartment communities | apartment_home	36
Initial Cost, Land	$ 6,282
Initial Cost, Buildings and Improvements	2,168
Costs Capitalized Subsequent to Consolidation	1,593
Land	6,282
Buildings and Improvements	3,761
Total	10,043
Accumulated Depreciation (AD)	(1,619)
Total Cost Net of Accumulated Depreciation	8,424
Encumbrances	$ 3,696
Aimco Real Estate | 518 East 88th Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Jan. 01, 2014
Location	New York, NY
Number of apartment communities | apartment_home	20
Initial Cost, Land	$ 2,233
Initial Cost, Buildings and Improvements	4,315
Costs Capitalized Subsequent to Consolidation	606
Land	2,233
Buildings and Improvements	4,921
Total	7,154
Accumulated Depreciation (AD)	(1,137)
Total Cost Net of Accumulated Depreciation	6,017
Encumbrances	$ 2,792
Aimco Real Estate | 707 Leahy | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Apr. 01, 2007
Location	Redwood City, CA
Number of apartment communities | apartment_home	110
Initial Cost, Land	$ 15,444
Initial Cost, Buildings and Improvements	7,909
Costs Capitalized Subsequent to Consolidation	7,406
Land	15,444
Buildings and Improvements	15,315
Total	30,759
Accumulated Depreciation (AD)	(6,964)
Total Cost Net of Accumulated Depreciation	23,795
Encumbrances	$ 8,737
Aimco Real Estate | 777 South Broad Street | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	May 01, 2018
Location	Philadelphia, PA
Number of apartment communities | apartment_home	146
Initial Cost, Land	$ 6,986
Initial Cost, Buildings and Improvements	67,512
Costs Capitalized Subsequent to Consolidation	829
Land	6,986
Buildings and Improvements	68,341
Total	75,327
Accumulated Depreciation (AD)	(1,515)
Total Cost Net of Accumulated Depreciation	73,812
Encumbrances	$ 57,627
Aimco Real Estate | 865 Bellevue | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 01, 2000
Location	Nashville, TN
Number of apartment communities | apartment_home	326
Initial Cost, Land	$ 3,562
Initial Cost, Buildings and Improvements	12,037
Costs Capitalized Subsequent to Consolidation	23,538
Land	3,562
Buildings and Improvements	35,575
Total	39,137
Accumulated Depreciation (AD)	(23,393)
Total Cost Net of Accumulated Depreciation	15,744
Encumbrances	$ 0
Aimco Real Estate | Avery Row | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Dec. 01, 2018
Location	Arlington, VA
Number of apartment communities | apartment_home	67
Initial Cost, Land	$ 8,140
Initial Cost, Buildings and Improvements	21,348
Costs Capitalized Subsequent to Consolidation	0
Land	8,140
Buildings and Improvements	21,348
Total	29,488
Accumulated Depreciation (AD)	0
Total Cost Net of Accumulated Depreciation	29,488
Encumbrances	$ 0
Aimco Real Estate | Axiom | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Apr. 15, 2015
Location	Cambridge, MA
Number of apartment communities | apartment_home	115
Initial Cost, Land	$ 0
Initial Cost, Buildings and Improvements	63,612
Costs Capitalized Subsequent to Consolidation	2,444
Land	0
Buildings and Improvements	66,056
Total	66,056
Accumulated Depreciation (AD)	(8,920)
Total Cost Net of Accumulated Depreciation	57,136
Encumbrances	$ 32,978
Aimco Real Estate | Bank Lofts | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Apr. 01, 2001
Location	Denver, CO
Number of apartment communities | apartment_home	125
Initial Cost, Land	$ 3,525
Initial Cost, Buildings and Improvements	9,045
Costs Capitalized Subsequent to Consolidation	5,539
Land	3,525
Buildings and Improvements	14,584
Total	18,109
Accumulated Depreciation (AD)	(7,463)
Total Cost Net of Accumulated Depreciation	10,646
Encumbrances	$ 10,476
Aimco Real Estate | Bay Parc Plaza | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Sep. 01, 2004
Location	Miami, FL
Number of apartment communities | apartment_home	474
Initial Cost, Land	$ 22,680
Initial Cost, Buildings and Improvements	41,847
Costs Capitalized Subsequent to Consolidation	34,053
Land	22,680
Buildings and Improvements	75,900
Total	98,580
Accumulated Depreciation (AD)	(22,485)
Total Cost Net of Accumulated Depreciation	76,095
Encumbrances	$ 42,434
Aimco Real Estate | Bay Ridge at Nashua | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 03, 2003
Location	Nashua, NH
Number of apartment communities | apartment_home	412
Initial Cost, Land	$ 3,262
Initial Cost, Buildings and Improvements	40,713
Costs Capitalized Subsequent to Consolidation	16,739
Land	3,262
Buildings and Improvements	57,452
Total	60,714
Accumulated Depreciation (AD)	(22,738)
Total Cost Net of Accumulated Depreciation	37,976
Encumbrances	$ 51,450
Aimco Real Estate | Bayberry Hill Estates | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Framingham, MA
Number of apartment communities | apartment_home	424
Initial Cost, Land	$ 19,944
Initial Cost, Buildings and Improvements	35,945
Costs Capitalized Subsequent to Consolidation	21,847
Land	19,944
Buildings and Improvements	57,792
Total	77,736
Accumulated Depreciation (AD)	(27,629)
Total Cost Net of Accumulated Depreciation	50,107
Encumbrances	$ 0
Aimco Real Estate | Bent Tree Apartments | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Feb. 01, 2018
Location	Centreville, VA
Number of apartment communities | apartment_home	748
Initial Cost, Land	$ 46,975
Initial Cost, Buildings and Improvements	113,695
Costs Capitalized Subsequent to Consolidation	7,493
Land	46,975
Buildings and Improvements	121,188
Total	168,163
Accumulated Depreciation (AD)	(4,331)
Total Cost Net of Accumulated Depreciation	163,832
Encumbrances	$ 0
Aimco Real Estate | Bluffs at Pacifica, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 06, 2006
Location	Pacifica, CA
Number of apartment communities | apartment_home	64
Initial Cost, Land	$ 8,108
Initial Cost, Buildings and Improvements	4,132
Costs Capitalized Subsequent to Consolidation	17,804
Land	8,108
Buildings and Improvements	21,936
Total	30,044
Accumulated Depreciation (AD)	(10,996)
Total Cost Net of Accumulated Depreciation	19,048
Encumbrances	$ 0
Aimco Real Estate | Boston Lofts | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Apr. 01, 2001
Location	Denver, CO
Number of apartment communities | apartment_home	158
Initial Cost, Land	$ 3,446
Initial Cost, Buildings and Improvements	20,589
Costs Capitalized Subsequent to Consolidation	5,694
Land	3,446
Buildings and Improvements	26,283
Total	29,729
Accumulated Depreciation (AD)	(13,914)
Total Cost Net of Accumulated Depreciation	15,815
Encumbrances	$ 15,303
Aimco Real Estate | Boulder Creek | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 01, 1994
Location	Boulder, CO
Number of apartment communities | apartment_home	221
Initial Cost, Land	$ 754
Initial Cost, Buildings and Improvements	7,730
Costs Capitalized Subsequent to Consolidation	20,628
Land	754
Buildings and Improvements	28,358
Total	29,112
Accumulated Depreciation (AD)	(19,702)
Total Cost Net of Accumulated Depreciation	9,410
Encumbrances	$ 38,500
Aimco Real Estate | Broadcast Center | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Los Angeles, CA
Number of apartment communities | apartment_home	279
Initial Cost, Land	$ 29,407
Initial Cost, Buildings and Improvements	41,244
Costs Capitalized Subsequent to Consolidation	28,683
Land	29,407
Buildings and Improvements	69,927
Total	99,334
Accumulated Depreciation (AD)	(29,655)
Total Cost Net of Accumulated Depreciation	69,679
Encumbrances	$ 0
Aimco Real Estate | Broadway Lofts | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Sep. 30, 2012
Location	San Diego, CA
Number of apartment communities | apartment_home	84
Initial Cost, Land	$ 5,367
Initial Cost, Buildings and Improvements	14,442
Costs Capitalized Subsequent to Consolidation	6,126
Land	5,367
Buildings and Improvements	20,568
Total	25,935
Accumulated Depreciation (AD)	(4,604)
Total Cost Net of Accumulated Depreciation	21,331
Encumbrances	$ 11,531
Aimco Real Estate | Burke Shire Commons | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 01, 2001
Location	Burke, VA
Number of apartment communities | apartment_home	360
Initial Cost, Land	$ 4,867
Initial Cost, Buildings and Improvements	23,617
Costs Capitalized Subsequent to Consolidation	17,678
Land	4,867
Buildings and Improvements	41,295
Total	46,162
Accumulated Depreciation (AD)	(24,737)
Total Cost Net of Accumulated Depreciation	21,425
Encumbrances	$ 57,860
Aimco Real Estate | Calhoun Beach Club | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Dec. 30, 1998
Location	Minneapolis, MN
Number of apartment communities | apartment_home	332
Initial Cost, Land	$ 11,708
Initial Cost, Buildings and Improvements	73,334
Costs Capitalized Subsequent to Consolidation	64,948
Land	11,708
Buildings and Improvements	138,282
Total	149,990
Accumulated Depreciation (AD)	(79,547)
Total Cost Net of Accumulated Depreciation	70,443
Encumbrances	$ 0
Aimco Real Estate | Canyon Terrace | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Saugus, CA
Number of apartment communities | apartment_home	130
Initial Cost, Land	$ 7,508
Initial Cost, Buildings and Improvements	6,601
Costs Capitalized Subsequent to Consolidation	6,525
Land	7,508
Buildings and Improvements	13,126
Total	20,634
Accumulated Depreciation (AD)	(6,960)
Total Cost Net of Accumulated Depreciation	13,674
Encumbrances	$ 0
Aimco Real Estate | Cedar Rim | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Apr. 01, 2000
Location	Newcastle, WA
Number of apartment communities | apartment_home	104
Initial Cost, Land	$ 761
Initial Cost, Buildings and Improvements	5,218
Costs Capitalized Subsequent to Consolidation	13,032
Land	761
Buildings and Improvements	18,250
Total	19,011
Accumulated Depreciation (AD)	(13,153)
Total Cost Net of Accumulated Depreciation	5,858
Encumbrances	$ 0
Aimco Real Estate | Charlesbank Apartment Homes | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Sep. 30, 2013
Location	Watertown, MA
Number of apartment communities | apartment_home	44
Initial Cost, Land	$ 3,399
Initial Cost, Buildings and Improvements	11,726
Costs Capitalized Subsequent to Consolidation	821
Land	3,399
Buildings and Improvements	12,547
Total	15,946
Accumulated Depreciation (AD)	(2,404)
Total Cost Net of Accumulated Depreciation	13,542
Encumbrances	$ 7,718
Aimco Real Estate | Chestnut Hall | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Oct. 01, 2006
Location	Philadelphia, PA
Number of apartment communities | apartment_home	315
Initial Cost, Land	$ 12,338
Initial Cost, Buildings and Improvements	14,299
Costs Capitalized Subsequent to Consolidation	12,074
Land	12,338
Buildings and Improvements	26,373
Total	38,711
Accumulated Depreciation (AD)	(12,144)
Total Cost Net of Accumulated Depreciation	26,567
Encumbrances	$ 36,653
Aimco Real Estate | Chimneys of Cradle Rock | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jun. 01, 2004
Location	Columbia, MD
Number of apartment communities | apartment_home	198
Initial Cost, Land	$ 2,040
Initial Cost, Buildings and Improvements	8,108
Costs Capitalized Subsequent to Consolidation	1,116
Land	2,040
Buildings and Improvements	9,224
Total	11,264
Accumulated Depreciation (AD)	(4,206)
Total Cost Net of Accumulated Depreciation	7,058
Encumbrances	$ 0
Aimco Real Estate | Columbus Avenue | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Sep. 01, 2003
Location	New York, NY
Number of apartment communities | apartment_home	59
Initial Cost, Land	$ 35,527
Initial Cost, Buildings and Improvements	9,450
Costs Capitalized Subsequent to Consolidation	9,117
Land	35,527
Buildings and Improvements	18,567
Total	54,094
Accumulated Depreciation (AD)	(10,600)
Total Cost Net of Accumulated Depreciation	43,494
Encumbrances	$ 25,205
Aimco Real Estate | Creekside | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 01, 2000
Location	Denver, CO
Number of apartment communities | apartment_home	328
Initial Cost, Land	$ 3,189
Initial Cost, Buildings and Improvements	12,698
Costs Capitalized Subsequent to Consolidation	7,450
Land	3,189
Buildings and Improvements	20,148
Total	23,337
Accumulated Depreciation (AD)	(13,072)
Total Cost Net of Accumulated Depreciation	10,265
Encumbrances	$ 11,325
Aimco Real Estate | Crescent at West Hollywood, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Mar. 31, 2002
Location	West Hollywood, CA
Number of apartment communities | apartment_home	130
Initial Cost, Land	$ 15,765
Initial Cost, Buildings and Improvements	10,215
Costs Capitalized Subsequent to Consolidation	8,411
Land	15,765
Buildings and Improvements	18,626
Total	34,391
Accumulated Depreciation (AD)	(12,166)
Total Cost Net of Accumulated Depreciation	22,225
Encumbrances	$ 40,000
Aimco Real Estate | Elm Creek | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Dec. 01, 1997
Location	Elmhurst, IL
Number of apartment communities | apartment_home	400
Initial Cost, Land	$ 5,910
Initial Cost, Buildings and Improvements	30,830
Costs Capitalized Subsequent to Consolidation	31,950
Land	5,910
Buildings and Improvements	62,780
Total	68,690
Accumulated Depreciation (AD)	(32,993)
Total Cost Net of Accumulated Depreciation	35,697
Encumbrances	$ 51,341
Aimco Real Estate | Evanston Place | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Dec. 01, 1997
Location	Evanston, IL
Number of apartment communities | apartment_home	190
Initial Cost, Land	$ 3,232
Initial Cost, Buildings and Improvements	25,546
Costs Capitalized Subsequent to Consolidation	16,214
Land	3,232
Buildings and Improvements	41,760
Total	44,992
Accumulated Depreciation (AD)	(19,152)
Total Cost Net of Accumulated Depreciation	25,840
Encumbrances	$ 0
Aimco Real Estate | Farmingdale | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Oct. 01, 2000
Location	Darien, IL
Number of apartment communities | apartment_home	240
Initial Cost, Land	$ 11,763
Initial Cost, Buildings and Improvements	15,174
Costs Capitalized Subsequent to Consolidation	11,173
Land	11,763
Buildings and Improvements	26,347
Total	38,110
Accumulated Depreciation (AD)	(13,618)
Total Cost Net of Accumulated Depreciation	24,492
Encumbrances	$ 13,106
Aimco Real Estate | Flamingo Towers | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Sep. 01, 1997
Location	Miami Beach, FL
Number of apartment communities | apartment_home	1,324
Initial Cost, Land	$ 32,427
Initial Cost, Buildings and Improvements	48,808
Costs Capitalized Subsequent to Consolidation	339,187
Land	32,427
Buildings and Improvements	387,995
Total	420,422
Accumulated Depreciation (AD)	(174,249)
Total Cost Net of Accumulated Depreciation	246,173
Encumbrances	$ 103,152
Aimco Real Estate | Four Quarters Habitat | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 06, 2006
Location	Miami, FL
Number of apartment communities | apartment_home	336
Initial Cost, Land	$ 2,379
Initial Cost, Buildings and Improvements	17,199
Costs Capitalized Subsequent to Consolidation	30,286
Land	2,379
Buildings and Improvements	47,485
Total	49,864
Accumulated Depreciation (AD)	(27,112)
Total Cost Net of Accumulated Depreciation	22,752
Encumbrances	$ 51,603
Aimco Real Estate | Foxchase | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Dec. 01, 1997
Location	Alexandria, VA
Number of apartment communities | apartment_home	2,113
Initial Cost, Land	$ 15,496
Initial Cost, Buildings and Improvements	96,062
Costs Capitalized Subsequent to Consolidation	52,254
Land	15,496
Buildings and Improvements	148,316
Total	163,812
Accumulated Depreciation (AD)	(85,298)
Total Cost Net of Accumulated Depreciation	78,514
Encumbrances	$ 223,626
Aimco Real Estate | Georgetown | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Framingham, MA
Number of apartment communities | apartment_home	207
Initial Cost, Land	$ 12,351
Initial Cost, Buildings and Improvements	13,168
Costs Capitalized Subsequent to Consolidation	3,996
Land	12,351
Buildings and Improvements	17,164
Total	29,515
Accumulated Depreciation (AD)	(8,281)
Total Cost Net of Accumulated Depreciation	21,234
Encumbrances	$ 14,697
Aimco Real Estate | Georgetown II | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Aug. 31, 2002
Location	Framingham, MA
Number of apartment communities | apartment_home	72
Initial Cost, Land	$ 4,577
Initial Cost, Buildings and Improvements	4,057
Costs Capitalized Subsequent to Consolidation	2,118
Land	4,577
Buildings and Improvements	6,175
Total	10,752
Accumulated Depreciation (AD)	(3,483)
Total Cost Net of Accumulated Depreciation	7,269
Encumbrances	$ 0
Aimco Real Estate | Heritage Park Escondido | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 2000
Location	Escondido, CA
Number of apartment communities | apartment_home	196
Initial Cost, Land	$ 1,055
Initial Cost, Buildings and Improvements	7,565
Costs Capitalized Subsequent to Consolidation	2,572
Land	1,055
Buildings and Improvements	10,137
Total	11,192
Accumulated Depreciation (AD)	(6,993)
Total Cost Net of Accumulated Depreciation	4,199
Encumbrances	$ 6,129
Aimco Real Estate | Heritage Park Livermore | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 2000
Location	Livermore, CA
Number of apartment communities | apartment_home	167
Initial Cost, Land	$ 0
Initial Cost, Buildings and Improvements	10,209
Costs Capitalized Subsequent to Consolidation	1,850
Land	0
Buildings and Improvements	12,059
Total	12,059
Accumulated Depreciation (AD)	(8,176)
Total Cost Net of Accumulated Depreciation	3,883
Encumbrances	$ 6,353
Aimco Real Estate | Heritage Village Anaheim | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 2000
Location	Anaheim, CA
Number of apartment communities | apartment_home	196
Initial Cost, Land	$ 1,832
Initial Cost, Buildings and Improvements	8,541
Costs Capitalized Subsequent to Consolidation	2,084
Land	1,832
Buildings and Improvements	10,625
Total	12,457
Accumulated Depreciation (AD)	(6,999)
Total Cost Net of Accumulated Depreciation	5,458
Encumbrances	$ 7,441
Aimco Real Estate | Hidden Cove | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 22, 1998
Location	Escondido, CA
Number of apartment communities | apartment_home	334
Initial Cost, Land	$ 3,043
Initial Cost, Buildings and Improvements	17,616
Costs Capitalized Subsequent to Consolidation	10,802
Land	3,043
Buildings and Improvements	28,418
Total	31,461
Accumulated Depreciation (AD)	(16,205)
Total Cost Net of Accumulated Depreciation	15,256
Encumbrances	$ 51,840
Aimco Real Estate | Hidden Cove II | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 07, 2007
Location	Escondido, CA
Number of apartment communities | apartment_home	118
Initial Cost, Land	$ 12,849
Initial Cost, Buildings and Improvements	6,530
Costs Capitalized Subsequent to Consolidation	5,260
Land	12,849
Buildings and Improvements	11,790
Total	24,639
Accumulated Depreciation (AD)	(5,263)
Total Cost Net of Accumulated Depreciation	19,376
Encumbrances	$ 20,160
Aimco Real Estate | Hillcreste | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Century City, CA
Number of apartment communities | apartment_home	315
Initial Cost, Land	$ 35,862
Initial Cost, Buildings and Improvements	47,216
Costs Capitalized Subsequent to Consolidation	13,194
Land	35,862
Buildings and Improvements	60,410
Total	96,272
Accumulated Depreciation (AD)	(27,374)
Total Cost Net of Accumulated Depreciation	68,898
Encumbrances	$ 63,479
Aimco Real Estate | Hillmeade | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Nov. 01, 1994
Location	Nashville, TN
Number of apartment communities | apartment_home	288
Initial Cost, Land	$ 2,872
Initial Cost, Buildings and Improvements	16,070
Costs Capitalized Subsequent to Consolidation	20,200
Land	2,872
Buildings and Improvements	36,270
Total	39,142
Accumulated Depreciation (AD)	(21,006)
Total Cost Net of Accumulated Depreciation	18,136
Encumbrances	$ 27,321
Aimco Real Estate | Horizons West Apartments | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Dec. 01, 2006
Location	Pacifica, CA
Number of apartment communities | apartment_home	78
Initial Cost, Land	$ 8,887
Initial Cost, Buildings and Improvements	6,377
Costs Capitalized Subsequent to Consolidation	1,634
Land	8,887
Buildings and Improvements	8,011
Total	16,898
Accumulated Depreciation (AD)	(3,689)
Total Cost Net of Accumulated Depreciation	13,209
Encumbrances	$ 0
Aimco Real Estate | Hunt Club | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Sep. 20, 2000
Location	Gaithersburg, MD
Number of apartment communities | apartment_home	336
Initial Cost, Land	$ 17,859
Initial Cost, Buildings and Improvements	13,149
Costs Capitalized Subsequent to Consolidation	14,154
Land	17,859
Buildings and Improvements	27,303
Total	45,162
Accumulated Depreciation (AD)	(16,083)
Total Cost Net of Accumulated Depreciation	29,079
Encumbrances	$ 0
Aimco Real Estate | Hyde Park Tower | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Oct. 01, 2004
Location	Chicago, IL
Number of apartment communities | apartment_home	155
Initial Cost, Land	$ 4,731
Initial Cost, Buildings and Improvements	14,927
Costs Capitalized Subsequent to Consolidation	12,334
Land	4,731
Buildings and Improvements	27,261
Total	31,992
Accumulated Depreciation (AD)	(9,569)
Total Cost Net of Accumulated Depreciation	22,423
Encumbrances	$ 12,620
Aimco Real Estate | Indian Oaks | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Simi Valley, CA
Number of apartment communities | apartment_home	254
Initial Cost, Land	$ 24,523
Initial Cost, Buildings and Improvements	15,801
Costs Capitalized Subsequent to Consolidation	11,246
Land	24,523
Buildings and Improvements	27,047
Total	51,570
Accumulated Depreciation (AD)	(13,180)
Total Cost Net of Accumulated Depreciation	38,390
Encumbrances	$ 27,596
Aimco Real Estate | Indigo | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Aug. 01, 2016
Location	Redwood City, CA
Number of apartment communities | apartment_home	463
Initial Cost, Land	$ 26,932
Initial Cost, Buildings and Improvements	296,116
Costs Capitalized Subsequent to Consolidation	1,771
Land	26,932
Buildings and Improvements	297,887
Total	324,819
Accumulated Depreciation (AD)	(24,707)
Total Cost Net of Accumulated Depreciation	300,112
Encumbrances	$ 138,430
Aimco Real Estate | Island Club | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 2000
Location	Oceanside, CA
Number of apartment communities | apartment_home	592
Initial Cost, Land	$ 18,027
Initial Cost, Buildings and Improvements	28,654
Costs Capitalized Subsequent to Consolidation	18,740
Land	18,027
Buildings and Improvements	47,394
Total	65,421
Accumulated Depreciation (AD)	(30,320)
Total Cost Net of Accumulated Depreciation	35,101
Encumbrances	$ 94,967
Aimco Real Estate | Key Towers | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Apr. 01, 2001
Location	Alexandria, VA
Number of apartment communities | apartment_home	140
Initial Cost, Land	$ 1,526
Initial Cost, Buildings and Improvements	7,050
Costs Capitalized Subsequent to Consolidation	7,781
Land	1,526
Buildings and Improvements	14,831
Total	16,357
Accumulated Depreciation (AD)	(11,892)
Total Cost Net of Accumulated Depreciation	4,465
Encumbrances	$ 0
Aimco Real Estate | Lakeside | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 1999
Location	Lisle, IL
Number of apartment communities | apartment_home	568
Initial Cost, Land	$ 5,840
Initial Cost, Buildings and Improvements	27,937
Costs Capitalized Subsequent to Consolidation	22,408
Land	5,840
Buildings and Improvements	50,345
Total	56,185
Accumulated Depreciation (AD)	(33,582)
Total Cost Net of Accumulated Depreciation	22,603
Encumbrances	$ 25,090
Aimco Real Estate | Latrobe | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 03, 2003
Location	Washington, DC
Number of apartment communities | apartment_home	175
Initial Cost, Land	$ 3,459
Initial Cost, Buildings and Improvements	9,103
Costs Capitalized Subsequent to Consolidation	12,715
Land	3,459
Buildings and Improvements	21,818
Total	25,277
Accumulated Depreciation (AD)	(11,916)
Total Cost Net of Accumulated Depreciation	13,361
Encumbrances	$ 26,758
Aimco Real Estate | Laurel Crossing | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 06, 2006
Location	San Mateo, CA
Number of apartment communities | apartment_home	418
Initial Cost, Land	$ 49,474
Initial Cost, Buildings and Improvements	17,756
Costs Capitalized Subsequent to Consolidation	14,166
Land	49,474
Buildings and Improvements	31,922
Total	81,396
Accumulated Depreciation (AD)	(15,757)
Total Cost Net of Accumulated Depreciation	65,639
Encumbrances	$ 0
Aimco Real Estate | Lincoln Place (5) | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 2004
Location	Venice, CA
Number of apartment communities | apartment_home	795
Initial Cost, Land	$ 128,332
Initial Cost, Buildings and Improvements	10,439
Costs Capitalized Subsequent to Consolidation	337,267
Land	44,197
Buildings and Improvements	347,706
Total	391,903
Accumulated Depreciation (AD)	(121,677)
Total Cost Net of Accumulated Depreciation	270,226
Encumbrances	$ 187,723
Aimco Real Estate | Locust on the Park | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	May 01, 2018
Location	Philadelphia, PA
Number of apartment communities | apartment_home	152
Initial Cost, Land	$ 5,292
Initial Cost, Buildings and Improvements	53,823
Costs Capitalized Subsequent to Consolidation	2,474
Land	5,292
Buildings and Improvements	56,297
Total	61,589
Accumulated Depreciation (AD)	(1,183)
Total Cost Net of Accumulated Depreciation	60,406
Encumbrances	$ 35,728
Aimco Real Estate | Lodge at Chattahoochee, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 1999
Location	Sandy Springs, GA
Number of apartment communities | apartment_home	312
Initial Cost, Land	$ 2,335
Initial Cost, Buildings and Improvements	16,370
Costs Capitalized Subsequent to Consolidation	16,809
Land	2,335
Buildings and Improvements	33,179
Total	35,514
Accumulated Depreciation (AD)	(22,375)
Total Cost Net of Accumulated Depreciation	13,139
Encumbrances	$ 0
Aimco Real Estate | Malibu Canyon | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Calabasas, CA
Number of apartment communities | apartment_home	698
Initial Cost, Land	$ 69,834
Initial Cost, Buildings and Improvements	53,438
Costs Capitalized Subsequent to Consolidation	37,919
Land	69,834
Buildings and Improvements	91,357
Total	161,191
Accumulated Depreciation (AD)	(45,222)
Total Cost Net of Accumulated Depreciation	115,969
Encumbrances	$ 105,367
Aimco Real Estate | Mariners Cove | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	San Diego, CA
Number of apartment communities | apartment_home	500
Initial Cost, Land	$ 0
Initial Cost, Buildings and Improvements	66,861
Costs Capitalized Subsequent to Consolidation	13,317
Land	0
Buildings and Improvements	80,178
Total	80,178
Accumulated Depreciation (AD)	(39,035)
Total Cost Net of Accumulated Depreciation	41,143
Encumbrances	$ 0
Aimco Real Estate | Meadow Creek | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 01, 1994
Location	Boulder, CO
Number of apartment communities | apartment_home	332
Initial Cost, Land	$ 1,435
Initial Cost, Buildings and Improvements	24,533
Costs Capitalized Subsequent to Consolidation	9,602
Land	1,435
Buildings and Improvements	34,135
Total	35,570
Accumulated Depreciation (AD)	(19,285)
Total Cost Net of Accumulated Depreciation	16,285
Encumbrances	$ 0
Aimco Real Estate | Merrill House | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 03, 2000
Location	Falls Church, VA
Number of apartment communities | apartment_home	159
Initial Cost, Land	$ 1,836
Initial Cost, Buildings and Improvements	10,831
Costs Capitalized Subsequent to Consolidation	7,657
Land	1,836
Buildings and Improvements	18,488
Total	20,324
Accumulated Depreciation (AD)	(10,492)
Total Cost Net of Accumulated Depreciation	9,832
Encumbrances	$ 0
Aimco Real Estate | Mezzo | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Mar. 15, 2015
Location	Atlanta, GA
Number of apartment communities | apartment_home	94
Initial Cost, Land	$ 4,292
Initial Cost, Buildings and Improvements	34,178
Costs Capitalized Subsequent to Consolidation	1,250
Land	4,292
Buildings and Improvements	35,428
Total	39,720
Accumulated Depreciation (AD)	(5,484)
Total Cost Net of Accumulated Depreciation	34,236
Encumbrances	$ 23,496
Aimco Real Estate | Monterey Grove | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jun. 01, 2008
Location	San Jose, CA
Number of apartment communities | apartment_home	224
Initial Cost, Land	$ 34,325
Initial Cost, Buildings and Improvements	21,939
Costs Capitalized Subsequent to Consolidation	8,674
Land	34,325
Buildings and Improvements	30,613
Total	64,938
Accumulated Depreciation (AD)	(12,039)
Total Cost Net of Accumulated Depreciation	52,899
Encumbrances	$ 0
Aimco Real Estate | Ocean House on Prospect | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Apr. 01, 2013
Location	La Jolla, CA
Number of apartment communities | apartment_home	53
Initial Cost, Land	$ 12,528
Initial Cost, Buildings and Improvements	18,805
Costs Capitalized Subsequent to Consolidation	15,089
Land	12,528
Buildings and Improvements	33,894
Total	46,422
Accumulated Depreciation (AD)	(6,592)
Total Cost Net of Accumulated Depreciation	39,830
Encumbrances	$ 12,745
Aimco Real Estate | One Canal | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Sep. 13, 2013
Location	Boston, MA
Number of apartment communities | apartment_home	310
Initial Cost, Land	$ 0
Initial Cost, Buildings and Improvements	15,873
Costs Capitalized Subsequent to Consolidation	179,912
Land	0
Buildings and Improvements	195,785
Total	195,785
Accumulated Depreciation (AD)	(20,623)
Total Cost Net of Accumulated Depreciation	175,162
Encumbrances	$ 110,310
Aimco Real Estate | Pacific Bay Vistas (5) | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2001
Location	San Bruno, CA
Number of apartment communities | apartment_home	308
Initial Cost, Land	$ 28,694
Initial Cost, Buildings and Improvements	62,460
Costs Capitalized Subsequent to Consolidation	39,067
Land	23,354
Buildings and Improvements	101,527
Total	124,881
Accumulated Depreciation (AD)	(35,131)
Total Cost Net of Accumulated Depreciation	89,750
Encumbrances	$ 67,826
Aimco Real Estate | Pacifica Park | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 06, 2006
Location	Pacifica, CA
Number of apartment communities | apartment_home	104
Initial Cost, Land	$ 12,970
Initial Cost, Buildings and Improvements	6,579
Costs Capitalized Subsequent to Consolidation	7,879
Land	12,970
Buildings and Improvements	14,458
Total	27,428
Accumulated Depreciation (AD)	(6,565)
Total Cost Net of Accumulated Depreciation	20,863
Encumbrances	$ 28,613
Aimco Real Estate | Palazzo at Park La Brea, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Feb. 04, 2004
Location	Los Angeles, CA
Number of apartment communities | apartment_home	521
Initial Cost, Land	$ 48,362
Initial Cost, Buildings and Improvements	125,464
Costs Capitalized Subsequent to Consolidation	45,176
Land	48,362
Buildings and Improvements	170,640
Total	219,002
Accumulated Depreciation (AD)	(80,075)
Total Cost Net of Accumulated Depreciation	138,927
Encumbrances	$ 168,654
Aimco Real Estate | Palazzo East at Park La Brea, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Mar. 01, 2005
Location	Los Angeles, CA
Number of apartment communities | apartment_home	611
Initial Cost, Land	$ 72,578
Initial Cost, Buildings and Improvements	136,503
Costs Capitalized Subsequent to Consolidation	19,328
Land	72,578
Buildings and Improvements	155,831
Total	228,409
Accumulated Depreciation (AD)	(72,709)
Total Cost Net of Accumulated Depreciation	155,700
Encumbrances	$ 196,109
Aimco Real Estate | Parc Mosaic | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Dec. 14, 2014
Location	Boulder, CO
Number of apartment communities | apartment_home	226
Initial Cost, Land	$ 15,300
Initial Cost, Buildings and Improvements	0
Costs Capitalized Subsequent to Consolidation	53,638
Land	15,300
Buildings and Improvements	53,638
Total	68,938
Accumulated Depreciation (AD)	0
Total Cost Net of Accumulated Depreciation	68,938
Encumbrances	$ 0
Aimco Real Estate | Park Towne Place | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Apr. 01, 2000
Location	Philadelphia, PA
Number of apartment communities | apartment_home	940
Initial Cost, Land	$ 10,472
Initial Cost, Buildings and Improvements	47,301
Costs Capitalized Subsequent to Consolidation	345,748
Land	10,472
Buildings and Improvements	393,049
Total	403,521
Accumulated Depreciation (AD)	(119,350)
Total Cost Net of Accumulated Depreciation	284,171
Encumbrances	$ 200,000
Aimco Real Estate | Pathfinder Village | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 06, 2006
Location	Fremont, CA
Number of apartment communities | apartment_home	246
Initial Cost, Land	$ 19,595
Initial Cost, Buildings and Improvements	14,838
Costs Capitalized Subsequent to Consolidation	18,457
Land	19,595
Buildings and Improvements	33,295
Total	52,890
Accumulated Depreciation (AD)	(14,518)
Total Cost Net of Accumulated Depreciation	38,372
Encumbrances	$ 55,000
Aimco Real Estate | Peachtree Park | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 01, 1996
Location	Atlanta, GA
Number of apartment communities | apartment_home	303
Initial Cost, Land	$ 4,684
Initial Cost, Buildings and Improvements	11,713
Costs Capitalized Subsequent to Consolidation	14,045
Land	4,684
Buildings and Improvements	25,758
Total	30,442
Accumulated Depreciation (AD)	(16,449)
Total Cost Net of Accumulated Depreciation	13,993
Encumbrances	$ 27,800
Aimco Real Estate | Plantation Gardens | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 1999
Location	Plantation, FL
Number of apartment communities | apartment_home	372
Initial Cost, Land	$ 3,773
Initial Cost, Buildings and Improvements	19,443
Costs Capitalized Subsequent to Consolidation	25,655
Land	3,773
Buildings and Improvements	45,098
Total	48,871
Accumulated Depreciation (AD)	(27,273)
Total Cost Net of Accumulated Depreciation	21,598
Encumbrances	$ 0
Aimco Real Estate | Post Ridge | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 01, 2000
Location	Nashville, TN
Number of apartment communities | apartment_home	150
Initial Cost, Land	$ 1,883
Initial Cost, Buildings and Improvements	6,712
Costs Capitalized Subsequent to Consolidation	4,537
Land	1,883
Buildings and Improvements	11,249
Total	13,132
Accumulated Depreciation (AD)	(7,401)
Total Cost Net of Accumulated Depreciation	5,731
Encumbrances	$ 0
Aimco Real Estate | Preserve at Marin | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Aug. 17, 2011
Location	Corte Madera, CA
Number of apartment communities | apartment_home	126
Initial Cost, Land	$ 18,179
Initial Cost, Buildings and Improvements	30,132
Costs Capitalized Subsequent to Consolidation	84,629
Land	18,179
Buildings and Improvements	114,761
Total	132,940
Accumulated Depreciation (AD)	(26,039)
Total Cost Net of Accumulated Depreciation	106,901
Encumbrances	$ 36,260
Aimco Real Estate | Ravensworth Towers | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jun. 01, 2004
Location	Annandale, VA
Number of apartment communities | apartment_home	219
Initial Cost, Land	$ 3,455
Initial Cost, Buildings and Improvements	17,157
Costs Capitalized Subsequent to Consolidation	4,490
Land	3,455
Buildings and Improvements	21,647
Total	25,102
Accumulated Depreciation (AD)	(14,617)
Total Cost Net of Accumulated Depreciation	10,485
Encumbrances	$ 20,342
Aimco Real Estate | River Club,The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Apr. 05, 2005
Location	Edgewater, NJ
Number of apartment communities | apartment_home	266
Initial Cost, Land	$ 30,579
Initial Cost, Buildings and Improvements	30,638
Costs Capitalized Subsequent to Consolidation	7,475
Land	30,579
Buildings and Improvements	38,113
Total	68,692
Accumulated Depreciation (AD)	(17,293)
Total Cost Net of Accumulated Depreciation	51,399
Encumbrances	$ 60,000
Aimco Real Estate | Riverloft | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Oct. 01, 1999
Location	Philadelphia, PA
Number of apartment communities | apartment_home	184
Initial Cost, Land	$ 2,120
Initial Cost, Buildings and Improvements	11,286
Costs Capitalized Subsequent to Consolidation	35,086
Land	2,120
Buildings and Improvements	46,372
Total	48,492
Accumulated Depreciation (AD)	(23,386)
Total Cost Net of Accumulated Depreciation	25,106
Encumbrances	$ 7,680
Aimco Real Estate | Rosewood | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Camarillo, CA
Number of apartment communities | apartment_home	152
Initial Cost, Land	$ 12,430
Initial Cost, Buildings and Improvements	8,060
Costs Capitalized Subsequent to Consolidation	5,754
Land	12,430
Buildings and Improvements	13,814
Total	26,244
Accumulated Depreciation (AD)	(6,984)
Total Cost Net of Accumulated Depreciation	19,260
Encumbrances	$ 0
Aimco Real Estate | Royal Crest Estates | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Warwick, RI
Number of apartment communities | apartment_home	492
Initial Cost, Land	$ 22,433
Initial Cost, Buildings and Improvements	24,095
Costs Capitalized Subsequent to Consolidation	5,512
Land	22,433
Buildings and Improvements	29,607
Total	52,040
Accumulated Depreciation (AD)	(20,050)
Total Cost Net of Accumulated Depreciation	31,990
Encumbrances	$ 0
Aimco Real Estate | Royal Crest Estates | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Nashua, NH
Number of apartment communities | apartment_home	902
Initial Cost, Land	$ 68,230
Initial Cost, Buildings and Improvements	45,562
Costs Capitalized Subsequent to Consolidation	15,751
Land	68,230
Buildings and Improvements	61,313
Total	129,543
Accumulated Depreciation (AD)	(41,440)
Total Cost Net of Accumulated Depreciation	88,103
Encumbrances	$ 71,957
Aimco Real Estate | Royal Crest Estates | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Marlborough, MA
Number of apartment communities | apartment_home	473
Initial Cost, Land	$ 25,178
Initial Cost, Buildings and Improvements	28,786
Costs Capitalized Subsequent to Consolidation	13,490
Land	25,178
Buildings and Improvements	42,276
Total	67,454
Accumulated Depreciation (AD)	(26,610)
Total Cost Net of Accumulated Depreciation	40,844
Encumbrances	$ 0
Aimco Real Estate | Royal Crest Estates | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	North Andover, MA
Number of apartment communities | apartment_home	588
Initial Cost, Land	$ 51,292
Initial Cost, Buildings and Improvements	36,808
Costs Capitalized Subsequent to Consolidation	27,916
Land	51,292
Buildings and Improvements	64,724
Total	116,016
Accumulated Depreciation (AD)	(36,132)
Total Cost Net of Accumulated Depreciation	79,884
Encumbrances	$ 0
Aimco Real Estate | Saybrook Point | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Dec. 14, 2014
Location	San Jose, CA
Number of apartment communities | apartment_home	324
Initial Cost, Land	$ 32,842
Initial Cost, Buildings and Improvements	84,457
Costs Capitalized Subsequent to Consolidation	25,729
Land	32,842
Buildings and Improvements	110,186
Total	143,028
Accumulated Depreciation (AD)	(14,179)
Total Cost Net of Accumulated Depreciation	128,849
Encumbrances	$ 62,329
Aimco Real Estate | Shenandoah Crossing | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Sep. 20, 2000
Location	Fairfax, VA
Number of apartment communities | apartment_home	640
Initial Cost, Land	$ 18,200
Initial Cost, Buildings and Improvements	57,198
Costs Capitalized Subsequent to Consolidation	25,345
Land	18,200
Buildings and Improvements	82,543
Total	100,743
Accumulated Depreciation (AD)	(58,302)
Total Cost Net of Accumulated Depreciation	42,441
Encumbrances	$ 58,565
Aimco Real Estate | SouthStar Lofts | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	May 01, 2018
Location	Philadelphia, PA
Number of apartment communities | apartment_home	85
Initial Cost, Land	$ 1,780
Initial Cost, Buildings and Improvements	37,428
Costs Capitalized Subsequent to Consolidation	402
Land	1,780
Buildings and Improvements	37,830
Total	39,610
Accumulated Depreciation (AD)	(836)
Total Cost Net of Accumulated Depreciation	38,774
Encumbrances	$ 30,197
Aimco Real Estate | Springwoods at Lake Ridge | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jul. 01, 2002
Location	Woodbridge, VA
Number of apartment communities | apartment_home	180
Initial Cost, Land	$ 5,587
Initial Cost, Buildings and Improvements	7,284
Costs Capitalized Subsequent to Consolidation	3,642
Land	5,587
Buildings and Improvements	10,926
Total	16,513
Accumulated Depreciation (AD)	(4,606)
Total Cost Net of Accumulated Depreciation	11,907
Encumbrances	$ 0
Aimco Real Estate | St. George Villas | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jan. 06, 2006
Location	St. George, SC
Number of apartment communities | apartment_home	40
Initial Cost, Land	$ 107
Initial Cost, Buildings and Improvements	1,025
Costs Capitalized Subsequent to Consolidation	410
Land	107
Buildings and Improvements	1,435
Total	1,542
Accumulated Depreciation (AD)	(1,256)
Total Cost Net of Accumulated Depreciation	286
Encumbrances	$ 314
Aimco Real Estate | Sterling Apartment Homes, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Oct. 01, 1999
Location	Philadelphia, PA
Number of apartment communities | apartment_home	534
Initial Cost, Land	$ 8,871
Initial Cost, Buildings and Improvements	55,365
Costs Capitalized Subsequent to Consolidation	120,426
Land	8,871
Buildings and Improvements	175,791
Total	184,662
Accumulated Depreciation (AD)	(82,367)
Total Cost Net of Accumulated Depreciation	102,295
Encumbrances	$ 144,030
Aimco Real Estate | Stone Creek Club | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Sep. 20, 2000
Location	Germantown, MD
Number of apartment communities | apartment_home	240
Initial Cost, Land	$ 13,593
Initial Cost, Buildings and Improvements	9,347
Costs Capitalized Subsequent to Consolidation	8,078
Land	13,593
Buildings and Improvements	17,425
Total	31,018
Accumulated Depreciation (AD)	(12,553)
Total Cost Net of Accumulated Depreciation	18,465
Encumbrances	$ 0
Aimco Real Estate | The Left Bank | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	May 01, 2018
Location	Philadelphia, PA
Number of apartment communities | apartment_home	282
Initial Cost, Land	$ 0
Initial Cost, Buildings and Improvements	130,893
Costs Capitalized Subsequent to Consolidation	3,053
Land	0
Buildings and Improvements	133,946
Total	133,946
Accumulated Depreciation (AD)	(2,879)
Total Cost Net of Accumulated Depreciation	131,067
Encumbrances	$ 82,532
Aimco Real Estate | Timbers at Long Reach Apartment Homes | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Apr. 05, 2005
Location	Columbia, MD
Number of apartment communities | apartment_home	178
Initial Cost, Land	$ 2,430
Initial Cost, Buildings and Improvements	12,181
Costs Capitalized Subsequent to Consolidation	1,705
Land	2,430
Buildings and Improvements	13,886
Total	16,316
Accumulated Depreciation (AD)	(8,182)
Total Cost Net of Accumulated Depreciation	8,134
Encumbrances	$ 0
Aimco Real Estate | Towers Of Westchester Park, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jan. 06, 2006
Location	College Park, MD
Number of apartment communities | apartment_home	303
Initial Cost, Land	$ 15,198
Initial Cost, Buildings and Improvements	22,029
Costs Capitalized Subsequent to Consolidation	13,936
Land	15,198
Buildings and Improvements	35,965
Total	51,163
Accumulated Depreciation (AD)	(18,825)
Total Cost Net of Accumulated Depreciation	32,338
Encumbrances	$ 23,232
Aimco Real Estate | Township At Highlands | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Town Home
Date Consolidated	Nov. 01, 1996
Location	Centennial, CO
Number of apartment communities | apartment_home	161
Initial Cost, Land	$ 1,536
Initial Cost, Buildings and Improvements	9,773
Costs Capitalized Subsequent to Consolidation	9,280
Land	1,536
Buildings and Improvements	19,053
Total	20,589
Accumulated Depreciation (AD)	(12,181)
Total Cost Net of Accumulated Depreciation	8,408
Encumbrances	$ 13,557
Aimco Real Estate | Tremont | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Dec. 14, 2014
Location	Atlanta, GA
Number of apartment communities | apartment_home	78
Initial Cost, Land	$ 5,274
Initial Cost, Buildings and Improvements	18,011
Costs Capitalized Subsequent to Consolidation	2,746
Land	5,274
Buildings and Improvements	20,757
Total	26,031
Accumulated Depreciation (AD)	(3,110)
Total Cost Net of Accumulated Depreciation	22,921
Encumbrances	$ 0
Aimco Real Estate | Twin Lake Towers | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Oct. 01, 1999
Location	Westmont, IL
Number of apartment communities | apartment_home	399
Initial Cost, Land	$ 3,268
Initial Cost, Buildings and Improvements	18,763
Costs Capitalized Subsequent to Consolidation	37,904
Land	3,268
Buildings and Improvements	56,667
Total	59,935
Accumulated Depreciation (AD)	(43,106)
Total Cost Net of Accumulated Depreciation	16,829
Encumbrances	$ 44,906
Aimco Real Estate | Vantage Pointe | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Aug. 31, 2002
Location	Swampscott, MA
Number of apartment communities | apartment_home	96
Initial Cost, Land	$ 4,748
Initial Cost, Buildings and Improvements	10,089
Costs Capitalized Subsequent to Consolidation	2,314
Land	4,748
Buildings and Improvements	12,403
Total	17,151
Accumulated Depreciation (AD)	(5,294)
Total Cost Net of Accumulated Depreciation	11,857
Encumbrances	$ 2,746
Aimco Real Estate | Villa Del Sol | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Norwalk, CA
Number of apartment communities | apartment_home	120
Initial Cost, Land	$ 7,476
Initial Cost, Buildings and Improvements	4,861
Costs Capitalized Subsequent to Consolidation	4,553
Land	7,476
Buildings and Improvements	9,414
Total	16,890
Accumulated Depreciation (AD)	(5,216)
Total Cost Net of Accumulated Depreciation	11,674
Encumbrances	$ 10,582
Aimco Real Estate | Villas at Park La Brea, The | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2002
Location	Los Angeles, CA
Number of apartment communities | apartment_home	250
Initial Cost, Land	$ 8,630
Initial Cost, Buildings and Improvements	48,871
Costs Capitalized Subsequent to Consolidation	16,008
Land	8,630
Buildings and Improvements	64,879
Total	73,509
Accumulated Depreciation (AD)	(30,510)
Total Cost Net of Accumulated Depreciation	42,999
Encumbrances	$ 53,868
Aimco Real Estate | Villas of Pasadena | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Mid Rise
Date Consolidated	Jan. 06, 2006
Location	Pasadena, CA
Number of apartment communities | apartment_home	92
Initial Cost, Land	$ 9,693
Initial Cost, Buildings and Improvements	6,818
Costs Capitalized Subsequent to Consolidation	4,493
Land	9,693
Buildings and Improvements	11,311
Total	21,004
Accumulated Depreciation (AD)	(4,397)
Total Cost Net of Accumulated Depreciation	16,607
Encumbrances	$ 0
Aimco Real Estate | Vivo | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Jun. 15, 2016
Location	Cambridge, MA
Number of apartment communities | apartment_home	91
Initial Cost, Land	$ 6,450
Initial Cost, Buildings and Improvements	35,974
Costs Capitalized Subsequent to Consolidation	5,590
Land	6,450
Buildings and Improvements	41,564
Total	48,014
Accumulated Depreciation (AD)	(8,694)
Total Cost Net of Accumulated Depreciation	39,320
Encumbrances	$ 20,310
Aimco Real Estate | Waterford Village | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Bridgewater, MA
Number of apartment communities | apartment_home	588
Initial Cost, Land	$ 29,110
Initial Cost, Buildings and Improvements	28,101
Costs Capitalized Subsequent to Consolidation	8,222
Land	29,110
Buildings and Improvements	36,323
Total	65,433
Accumulated Depreciation (AD)	(26,540)
Total Cost Net of Accumulated Depreciation	38,893
Encumbrances	$ 35,269
Aimco Real Estate | Waterways Village | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Jun. 01, 1997
Location	Aventura, FL
Number of apartment communities | apartment_home	180
Initial Cost, Land	$ 4,504
Initial Cost, Buildings and Improvements	11,064
Costs Capitalized Subsequent to Consolidation	15,205
Land	4,504
Buildings and Improvements	26,269
Total	30,773
Accumulated Depreciation (AD)	(12,394)
Total Cost Net of Accumulated Depreciation	18,379
Encumbrances	$ 13,168
Aimco Real Estate | Waverly Apartments | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 01, 2008
Location	Brighton, MA
Number of apartment communities | apartment_home	103
Initial Cost, Land	$ 7,920
Initial Cost, Buildings and Improvements	11,347
Costs Capitalized Subsequent to Consolidation	6,299
Land	7,920
Buildings and Improvements	17,646
Total	25,566
Accumulated Depreciation (AD)	(6,323)
Total Cost Net of Accumulated Depreciation	19,243
Encumbrances	$ 11,515
Aimco Real Estate | Wexford Village | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Aug. 31, 2002
Location	Worcester, MA
Number of apartment communities | apartment_home	264
Initial Cost, Land	$ 6,349
Initial Cost, Buildings and Improvements	17,939
Costs Capitalized Subsequent to Consolidation	4,245
Land	6,349
Buildings and Improvements	22,184
Total	28,533
Accumulated Depreciation (AD)	(12,980)
Total Cost Net of Accumulated Depreciation	15,553
Encumbrances	$ 0
Aimco Real Estate | Willow Bend | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	May 08, 1998
Location	Rolling Meadows, IL
Number of apartment communities | apartment_home	328
Initial Cost, Land	$ 2,717
Initial Cost, Buildings and Improvements	15,437
Costs Capitalized Subsequent to Consolidation	19,609
Land	2,717
Buildings and Improvements	35,046
Total	37,763
Accumulated Depreciation (AD)	(23,492)
Total Cost Net of Accumulated Depreciation	14,271
Encumbrances	$ 33,175
Aimco Real Estate | Windrift | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2001
Location	Oceanside, CA
Number of apartment communities | apartment_home	404
Initial Cost, Land	$ 24,960
Initial Cost, Buildings and Improvements	17,590
Costs Capitalized Subsequent to Consolidation	21,487
Land	24,960
Buildings and Improvements	39,077
Total	64,037
Accumulated Depreciation (AD)	(23,762)
Total Cost Net of Accumulated Depreciation	40,275
Encumbrances	$ 0
Aimco Real Estate | Windsor Park | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	Garden
Date Consolidated	Mar. 31, 2001
Location	Woodbridge, VA
Number of apartment communities | apartment_home	220
Initial Cost, Land	$ 4,279
Initial Cost, Buildings and Improvements	15,970
Costs Capitalized Subsequent to Consolidation	6,217
Land	4,279
Buildings and Improvements	22,187
Total	26,466
Accumulated Depreciation (AD)	(13,378)
Total Cost Net of Accumulated Depreciation	13,088
Encumbrances	$ 0
Aimco Real Estate | Yacht Club at Brickell | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Dec. 24, 2003
Location	Miami, FL
Number of apartment communities | apartment_home	357
Initial Cost, Land	$ 31,362
Initial Cost, Buildings and Improvements	32,214
Costs Capitalized Subsequent to Consolidation	16,715
Land	31,362
Buildings and Improvements	48,929
Total	80,291
Accumulated Depreciation (AD)	(17,513)
Total Cost Net of Accumulated Depreciation	62,778
Encumbrances	$ 44,219
Aimco Real Estate | Yorktown Apartments | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Apartment Type	High Rise
Date Consolidated	Dec. 31, 1999
Location	Lombard, IL
Number of apartment communities | apartment_home	364
Initial Cost, Land	$ 3,055
Initial Cost, Buildings and Improvements	18,162
Costs Capitalized Subsequent to Consolidation	52,436
Land	3,055
Buildings and Improvements	70,598
Total	73,653
Accumulated Depreciation (AD)	(29,697)
Total Cost Net of Accumulated Depreciation	43,956
Encumbrances	$ 38,280
Aimco Real Estate | Other | Continuing Operations
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Number of apartment communities | apartment_home	0
Initial Cost, Land	$ 5,135
Initial Cost, Buildings and Improvements	0
Costs Capitalized Subsequent to Consolidation	20,914
Land	5,135
Buildings and Improvements	20,914
Total	26,049
Accumulated Depreciation (AD)	0
Total Cost Net of Accumulated Depreciation	26,049
Encumbrances	$ 0