Real Estate Investments - Summary of Major Components of Investments in Multifamily Properties (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 |
Real Estate Properties [Line Items] | | |
Land | $ 203,748 | $ 202,347 |
Buildings and improvements | 914,771 | 935,604 |
Intangible lease assets | 2,971 | 3,049 |
Construction in progress | 612 | 1,881 |
Furniture, fixtures, and equipment | 57,545 | 61,456 |
Real estate investment, gross | 1,179,647 | 1,204,337 |
Accumulated depreciation and amortization | (127,118) | (134,124) |
Total Net Operating Real Estate Investments | 1,052,529 | 1,070,213 |
Accumulated depreciation and amortization | (33,305) | (897) |
Total Net Real Estate Investments | 1,228,497 | 1,087,542 |
Multifamily Properties | | |
Real Estate Properties [Line Items] | | |
Accumulated depreciation and amortization | (33,305) | (897) |
Total Net Real Estate Investments | 1,228,497 | 1,087,542 |
Multifamily Properties | Intangible Lease Assets | | |
Real Estate Properties [Line Items] | | |
Total Net Real Estate Investments | 851 | 1,424 |
Multifamily Properties | Land | | |
Real Estate Properties [Line Items] | | |
Total Net Real Estate Investments | 239,088 | 208,467 |
Multifamily Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Accumulated depreciation and amortization | (22,932) | (736) |
Total Net Real Estate Investments | 960,131 | 850,823 |
Multifamily Properties | Construction in Progress | | |
Real Estate Properties [Line Items] | | |
Total Net Real Estate Investments | 762 | 1,881 |
Multifamily Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Accumulated depreciation and amortization | (10,373) | (161) |
Total Net Real Estate Investments | 27,665 | 24,947 |
Multifamily Properties | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Total Net Operating Real Estate Investments | 175,968 | 17,329 |
Multifamily Properties | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Total Net Operating Real Estate Investments | 35,340 | 6,120 |
Multifamily Properties | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Total Net Operating Real Estate Investments | 135,761 | 10,583 |
Multifamily Properties | Held For Sale Properties | Construction in Progress | | |
Real Estate Properties [Line Items] | | |
Total Net Operating Real Estate Investments | 150 | |
Multifamily Properties | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Total Net Operating Real Estate Investments | 4,717 | 626 |
Multifamily Properties | Arbors on Forest Ridge | | |
Real Estate Properties [Line Items] | | |
Land | 2,330 | 2,330 |
Buildings and improvements | 11,498 | 11,319 |
Furniture, fixtures, and equipment | 1,160 | 1,047 |
Real estate investment, gross | 14,988 | 14,696 |
Multifamily Properties | Cutter's Point | | |
Real Estate Properties [Line Items] | | |
Land | 3,330 | 3,330 |
Buildings and improvements | 13,406 | 13,347 |
Construction in progress | 13 | |
Furniture, fixtures, and equipment | 1,470 | 1,320 |
Real estate investment, gross | 18,219 | 17,997 |
Multifamily Properties | Eagle Crest | | |
Real Estate Properties [Line Items] | | |
Land | 5,450 | 5,450 |
Buildings and improvements | 23,557 | 22,969 |
Furniture, fixtures, and equipment | 1,652 | 1,563 |
Real estate investment, gross | 30,659 | 29,982 |
Multifamily Properties | Silverbrook | | |
Real Estate Properties [Line Items] | | |
Land | 4,860 | 4,860 |
Buildings and improvements | 27,375 | 26,485 |
Construction in progress | | 60 |
Furniture, fixtures, and equipment | 3,514 | 3,230 |
Real estate investment, gross | 35,749 | 34,635 |
Multifamily Properties | Beechwood Terrace | | |
Real Estate Properties [Line Items] | | |
Land | 1,390 | 1,390 |
Buildings and improvements | 21,545 | 21,123 |
Construction in progress | | 31 |
Furniture, fixtures, and equipment | 1,877 | 1,670 |
Real estate investment, gross | 24,812 | 24,214 |
Multifamily Properties | Willow Grove | | |
Real Estate Properties [Line Items] | | |
Land | 3,940 | 3,940 |
Buildings and improvements | 11,065 | 10,829 |
Furniture, fixtures, and equipment | 1,356 | 1,231 |
Real estate investment, gross | 16,361 | 16,000 |
Multifamily Properties | Woodbridge | | |
Real Estate Properties [Line Items] | | |
Land | 3,650 | 3,650 |
Buildings and improvements | 13,224 | 13,125 |
Furniture, fixtures, and equipment | 1,721 | 1,536 |
Real estate investment, gross | 18,595 | 18,311 |
Multifamily Properties | The Summit at Sabal Park | | |
Real Estate Properties [Line Items] | | |
Land | 5,770 | 5,770 |
Buildings and improvements | 13,562 | 13,447 |
Construction in progress | | 43 |
Furniture, fixtures, and equipment | 1,481 | 1,347 |
Real estate investment, gross | 20,813 | 20,607 |
Multifamily Properties | Courtney Cove | | |
Real Estate Properties [Line Items] | | |
Land | 5,880 | 5,880 |
Buildings and improvements | 13,371 | 13,170 |
Furniture, fixtures, and equipment | 1,397 | 1,268 |
Real estate investment, gross | 20,648 | 20,318 |
Multifamily Properties | Radbourne Lake | | |
Real Estate Properties [Line Items] | | |
Land | 2,440 | 2,440 |
Buildings and improvements | 22,336 | 22,138 |
Construction in progress | 51 | 72 |
Furniture, fixtures, and equipment | 1,717 | 1,536 |
Real estate investment, gross | 26,544 | 26,186 |
Multifamily Properties | Timber Creek | | |
Real Estate Properties [Line Items] | | |
Land | 11,260 | 11,260 |
Buildings and improvements | 13,894 | 13,582 |
Construction in progress | 28 | |
Furniture, fixtures, and equipment | 2,016 | 1,556 |
Real estate investment, gross | 27,198 | 26,398 |
Multifamily Properties | Sabal Palm at Lake Buena Vista | | |
Real Estate Properties [Line Items] | | |
Land | 7,580 | 7,580 |
Buildings and improvements | 41,561 | 41,336 |
Furniture, fixtures, and equipment | 1,423 | 1,280 |
Real estate investment, gross | 50,564 | 50,196 |
Multifamily Properties | Cornerstone | | |
Real Estate Properties [Line Items] | | |
Land | 1,500 | 1,500 |
Buildings and improvements | 30,538 | 30,513 |
Furniture, fixtures, and equipment | 2,164 | 1,885 |
Real estate investment, gross | 34,202 | 33,898 |
Multifamily Properties | The Preserve at Terrell Mill | | |
Real Estate Properties [Line Items] | | |
Land | 10,170 | 10,170 |
Buildings and improvements | 49,160 | 49,091 |
Construction in progress | | 57 |
Furniture, fixtures, and equipment | 5,535 | 4,843 |
Real estate investment, gross | 64,865 | 64,161 |
Multifamily Properties | Versailles | | |
Real Estate Properties [Line Items] | | |
Land | 6,720 | 6,720 |
Buildings and improvements | 21,832 | 21,513 |
Furniture, fixtures, and equipment | 3,200 | 3,033 |
Real estate investment, gross | 31,752 | 31,266 |
Multifamily Properties | Seasons 704 Apartments | | |
Real Estate Properties [Line Items] | | |
Land | 7,480 | 7,480 |
Buildings and improvements | 14,274 | 14,223 |
Furniture, fixtures, and equipment | 1,372 | 1,288 |
Real estate investment, gross | 23,126 | 22,991 |
Multifamily Properties | Madera Point | | |
Real Estate Properties [Line Items] | | |
Land | 4,920 | 4,920 |
Buildings and improvements | 17,588 | 17,570 |
Furniture, fixtures, and equipment | 1,573 | 1,431 |
Real estate investment, gross | 24,081 | 23,921 |
Multifamily Properties | Venue at 8651 | | |
Real Estate Properties [Line Items] | | |
Land | 2,350 | 2,350 |
Buildings and improvements | 18,130 | 18,084 |
Furniture, fixtures, and equipment | 2,717 | 2,499 |
Real estate investment, gross | 23,197 | 22,933 |
Multifamily Properties | Parc500 | | |
Real Estate Properties [Line Items] | | |
Land | 3,860 | 3,860 |
Buildings and improvements | 20,762 | 20,692 |
Construction in progress | 73 | 37 |
Furniture, fixtures, and equipment | 2,867 | 2,600 |
Real estate investment, gross | 27,562 | 27,189 |
Multifamily Properties | The Venue on Camelback | | |
Real Estate Properties [Line Items] | | |
Land | 8,340 | |
Buildings and improvements | 37,818 | |
Construction in progress | 154 | |
Furniture, fixtures, and equipment | 1,829 | |
Real estate investment, gross | 48,141 | |
Multifamily Properties | The Colonnade | | |
Real Estate Properties [Line Items] | | |
Land | | 8,340 |
Buildings and improvements | | 37,086 |
Construction in progress | | 567 |
Furniture, fixtures, and equipment | | 1,604 |
Real estate investment, gross | | 47,597 |
Multifamily Properties | Old Farm | | |
Real Estate Properties [Line Items] | | |
Land | 11,078 | 11,078 |
Buildings and improvements | 70,557 | 70,471 |
Furniture, fixtures, and equipment | 2,028 | 1,800 |
Real estate investment, gross | 83,663 | 83,349 |
Multifamily Properties | Stone Creek at Old Farm | | |
Real Estate Properties [Line Items] | | |
Land | 3,493 | 3,493 |
Buildings and improvements | 19,407 | 19,394 |
Furniture, fixtures, and equipment | 519 | 467 |
Real estate investment, gross | 23,419 | 23,354 |
Multifamily Properties | Hollister Place | | |
Real Estate Properties [Line Items] | | |
Land | 2,782 | 2,782 |
Buildings and improvements | 21,658 | 21,389 |
Construction in progress | 25 | 135 |
Furniture, fixtures, and equipment | 1,750 | 1,410 |
Real estate investment, gross | 26,215 | 25,716 |
Multifamily Properties | Rockledge Apartments | | |
Real Estate Properties [Line Items] | | |
Land | 17,451 | 17,451 |
Buildings and improvements | 95,928 | 95,484 |
Construction in progress | | 428 |
Furniture, fixtures, and equipment | 4,035 | 3,314 |
Real estate investment, gross | 117,414 | 116,677 |
Multifamily Properties | Atera Apartments | | |
Real Estate Properties [Line Items] | | |
Land | 22,370 | 22,371 |
Buildings and improvements | 37,251 | 36,563 |
Construction in progress | | 86 |
Furniture, fixtures, and equipment | 1,352 | 1,151 |
Real estate investment, gross | 60,973 | 60,171 |
Multifamily Properties | Cedar Pointe | | |
Real Estate Properties [Line Items] | | |
Land | 2,372 | 2,371 |
Buildings and improvements | 24,053 | 23,458 |
Intangible lease assets | | 600 |
Construction in progress | | 16 |
Furniture, fixtures, and equipment | 711 | 441 |
Real estate investment, gross | 27,136 | 26,886 |
Multifamily Properties | Crestmont Reserve | | |
Real Estate Properties [Line Items] | | |
Land | 4,124 | 4,124 |
Buildings and improvements | 20,138 | 19,544 |
Intangible lease assets | | 687 |
Construction in progress | 64 | |
Furniture, fixtures, and equipment | 735 | 504 |
Real estate investment, gross | 25,061 | 24,859 |
Multifamily Properties | Brandywine I & II | | |
Real Estate Properties [Line Items] | | |
Land | 6,237 | 6,237 |
Buildings and improvements | 72,169 | 70,961 |
Intangible lease assets | | 1,762 |
Construction in progress | 61 | |
Furniture, fixtures, and equipment | 1,888 | 1,215 |
Real estate investment, gross | 80,355 | 80,175 |
Multifamily Properties | Bella Vista | | |
Real Estate Properties [Line Items] | | |
Land | 10,942 | |
Buildings and improvements | 36,417 | |
Intangible lease assets | 919 | |
Construction in progress | 47 | |
Furniture, fixtures, and equipment | 806 | |
Real estate investment, gross | 49,131 | |
Multifamily Properties | The Enclave | | |
Real Estate Properties [Line Items] | | |
Land | 11,046 | |
Buildings and improvements | 29,813 | |
Intangible lease assets | 769 | |
Construction in progress | 49 | |
Furniture, fixtures, and equipment | 639 | |
Real estate investment, gross | 42,316 | |
Multifamily Properties | The Heritage | | |
Real Estate Properties [Line Items] | | |
Land | 6,835 | |
Buildings and improvements | 34,147 | |
Intangible lease assets | 750 | |
Construction in progress | 47 | |
Furniture, fixtures, and equipment | 672 | |
Real estate investment, gross | 42,451 | |
Multifamily Properties | Summers Landing | | |
Real Estate Properties [Line Items] | | |
Land | 1,798 | |
Buildings and improvements | 16,737 | |
Intangible lease assets | 533 | |
Furniture, fixtures, and equipment | 369 | |
Real estate investment, gross | 19,437 | |
Multifamily Properties | Southpoint Reserve at Stoney Creek | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 6,120 | 6,120 |
Buildings and improvements | 11,399 | 11,319 |
Furniture, fixtures, and equipment | 847 | 787 |
Real estate investment, gross | 18,366 | 18,226 |
Multifamily Properties | Southpoint Reserve at Stoney Creek | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 6,120 | 6,120 |
Multifamily Properties | Southpoint Reserve at Stoney Creek | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 11,399 | 11,319 |
Multifamily Properties | Southpoint Reserve at Stoney Creek | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 847 | 787 |
Multifamily Properties | Edgewater at Sandy Springs | | |
Real Estate Properties [Line Items] | | |
Land | | 14,290 |
Buildings and improvements | | 44,186 |
Construction in progress | | 349 |
Furniture, fixtures, and equipment | | 5,083 |
Real estate investment, gross | | 63,908 |
Multifamily Properties | Edgewater at Sandy Springs | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 14,290 | |
Buildings and improvements | 44,608 | |
Construction in progress | 146 | |
Furniture, fixtures, and equipment | 5,438 | |
Real estate investment, gross | 64,482 | |
Multifamily Properties | Edgewater at Sandy Springs | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 14,290 | |
Multifamily Properties | Edgewater at Sandy Springs | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 44,608 | |
Multifamily Properties | Edgewater at Sandy Springs | Held For Sale Properties | Construction in Progress | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 146 | |
Multifamily Properties | Edgewater at Sandy Springs | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 5,438 | |
Multifamily Properties | Abbington Heights | | |
Real Estate Properties [Line Items] | | |
Land | | 1,770 |
Buildings and improvements | | 17,140 |
Furniture, fixtures, and equipment | | 1,539 |
Real estate investment, gross | | 20,449 |
Multifamily Properties | Abbington Heights | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 1,770 | |
Buildings and improvements | 17,202 | |
Furniture, fixtures, and equipment | 1,614 | |
Real estate investment, gross | 20,586 | |
Multifamily Properties | Abbington Heights | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,770 | |
Multifamily Properties | Abbington Heights | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 17,202 | |
Multifamily Properties | Abbington Heights | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,614 | |
Multifamily Properties | Belmont at Duck Creek | | |
Real Estate Properties [Line Items] | | |
Land | | 1,910 |
Buildings and improvements | | 17,397 |
Furniture, fixtures, and equipment | | 1,471 |
Real estate investment, gross | | 20,778 |
Multifamily Properties | Belmont at Duck Creek | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 1,910 | |
Buildings and improvements | 17,455 | |
Construction in progress | 4 | |
Furniture, fixtures, and equipment | 1,527 | |
Real estate investment, gross | 20,896 | |
Multifamily Properties | Belmont at Duck Creek | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,910 | |
Multifamily Properties | Belmont at Duck Creek | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 17,455 | |
Multifamily Properties | Belmont at Duck Creek | Held For Sale Properties | Construction in Progress | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 4 | |
Multifamily Properties | Belmont at Duck Creek | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,527 | |
Multifamily Properties | The Ashlar | | |
Real Estate Properties [Line Items] | | |
Land | | 4,090 |
Buildings and improvements | | 12,845 |
Furniture, fixtures, and equipment | | 2,017 |
Real estate investment, gross | | 18,952 |
Multifamily Properties | The Ashlar | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 4,090 | |
Buildings and improvements | 12,863 | |
Furniture, fixtures, and equipment | 2,145 | |
Real estate investment, gross | 19,098 | |
Multifamily Properties | The Ashlar | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 4,090 | |
Multifamily Properties | The Ashlar | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 12,863 | |
Multifamily Properties | The Ashlar | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 2,145 | |
Multifamily Properties | Heatherstone | | |
Real Estate Properties [Line Items] | | |
Land | | 2,320 |
Buildings and improvements | | 8,132 |
Furniture, fixtures, and equipment | | 1,199 |
Real estate investment, gross | | 11,651 |
Multifamily Properties | Heatherstone | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 2,320 | |
Buildings and improvements | 8,154 | |
Furniture, fixtures, and equipment | 1,263 | |
Real estate investment, gross | 11,737 | |
Multifamily Properties | Heatherstone | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 2,320 | |
Multifamily Properties | Heatherstone | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 8,154 | |
Multifamily Properties | Heatherstone | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,263 | |
Multifamily Properties | The Pointe at the Foothills | | |
Real Estate Properties [Line Items] | | |
Land | | 4,840 |
Buildings and improvements | | 46,998 |
Furniture, fixtures, and equipment | | 2,078 |
Real estate investment, gross | | 53,916 |
Multifamily Properties | The Pointe at the Foothills | Held For Sale Properties | | |
Real Estate Properties [Line Items] | | |
Land | 4,840 | |
Buildings and improvements | 47,012 | |
Furniture, fixtures, and equipment | 2,256 | |
Real estate investment, gross | 54,108 | |
Multifamily Properties | The Pointe at the Foothills | Held For Sale Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 4,840 | |
Multifamily Properties | The Pointe at the Foothills | Held For Sale Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 47,012 | |
Multifamily Properties | The Pointe at the Foothills | Held For Sale Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 2,256 | |
Multifamily Properties | Operating Properties | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 1,179,647 | 1,204,337 |
Accumulated depreciation and amortization | (127,118) | (134,124) |
Total Net Operating Real Estate Investments | 1,052,529 | 1,070,213 |
Multifamily Properties | Operating Properties | Intangible Lease Assets | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 2,971 | 3,049 |
Accumulated depreciation and amortization | (2,120) | (1,625) |
Total Net Operating Real Estate Investments | 851 | 1,424 |
Multifamily Properties | Operating Properties | Land | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 203,748 | 202,347 |
Total Net Operating Real Estate Investments | 203,748 | 202,347 |
Multifamily Properties | Operating Properties | Buildings and Improvements | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 914,771 | 935,604 |
Accumulated depreciation and amortization | (90,401) | (95,364) |
Total Net Operating Real Estate Investments | 824,370 | 840,240 |
Multifamily Properties | Operating Properties | Construction in Progress | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 612 | 1,881 |
Total Net Operating Real Estate Investments | 612 | 1,881 |
Multifamily Properties | Operating Properties | Furniture, Fixtures, and Equipment | | |
Real Estate Properties [Line Items] | | |
Real estate investment, gross | 57,545 | 61,456 |
Accumulated depreciation and amortization | (34,597) | (37,135) |
Total Net Operating Real Estate Investments | $ 22,948 | $ 24,321 |