v3.25.4
Shareholder Report, Line Graph (Details) - USD ($)
 1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 5 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 9 Months Ended 10 Months Ended 11 Months Ended 12 Months Ended 13 Months Ended 14 Months Ended 15 Months Ended 16 Months Ended 17 Months Ended 18 Months Ended 19 Months Ended 20 Months Ended 21 Months Ended 22 Months Ended 23 Months Ended 24 Months Ended 25 Months Ended 26 Months Ended 27 Months Ended 28 Months Ended 29 Months Ended 30 Months Ended 31 Months Ended 32 Months Ended 33 Months Ended 34 Months Ended 35 Months Ended 36 Months Ended 37 Months Ended 38 Months Ended 39 Months Ended 40 Months Ended 41 Months Ended 42 Months Ended 43 Months Ended 44 Months Ended 45 Months Ended 46 Months Ended 47 Months Ended 48 Months Ended 49 Months Ended 50 Months Ended 51 Months Ended 52 Months Ended 53 Months Ended 54 Months Ended 55 Months Ended 56 Months Ended 57 Months Ended 58 Months Ended 59 Months Ended 60 Months Ended 61 Months Ended 62 Months Ended 63 Months Ended 64 Months Ended 65 Months Ended 66 Months Ended 67 Months Ended 68 Months Ended 69 Months Ended 70 Months Ended 71 Months Ended 72 Months Ended 73 Months Ended 74 Months Ended 75 Months Ended 76 Months Ended 77 Months Ended 78 Months Ended 79 Months Ended 80 Months Ended 81 Months Ended 82 Months Ended 83 Months Ended 84 Months Ended 85 Months Ended 86 Months Ended 87 Months Ended 88 Months Ended 89 Months Ended 90 Months Ended 91 Months Ended 92 Months Ended 93 Months Ended 94 Months Ended 95 Months Ended 96 Months Ended 97 Months Ended 98 Months Ended 99 Months Ended 100 Months Ended 101 Months Ended 102 Months Ended 103 Months Ended 104 Months Ended 105 Months Ended 106 Months Ended 107 Months Ended 108 Months Ended 109 Months Ended 110 Months Ended 111 Months Ended 112 Months Ended 113 Months Ended 114 Months Ended 115 Months Ended 116 Months Ended 117 Months Ended 118 Months Ended 119 Months Ended 120 Months Ended
Dec. 31, 2015
Jan. 31, 2016
Feb. 29, 2016
Mar. 31, 2016
Apr. 30, 2016
May 31, 2016
Jun. 30, 2016
Jul. 31, 2016
Aug. 31, 2016
Sep. 30, 2016
Oct. 31, 2016
Nov. 30, 2016
Dec. 31, 2025
Dec. 31, 2016
Jan. 31, 2017
Feb. 28, 2017
Mar. 31, 2017
Apr. 30, 2017
May 31, 2017
Jun. 30, 2017
Jul. 31, 2017
Aug. 31, 2017
Sep. 30, 2017
Oct. 31, 2017
Nov. 30, 2017
Dec. 31, 2017
Jan. 31, 2018
Feb. 28, 2018
Mar. 31, 2018
Apr. 30, 2018
May 31, 2018
Jun. 30, 2018
Jul. 31, 2018
Aug. 31, 2018
Sep. 30, 2018
Oct. 31, 2018
Nov. 30, 2018
Dec. 31, 2018
Jan. 31, 2019
Feb. 28, 2019
Mar. 31, 2019
Apr. 30, 2019
May 31, 2019
Jun. 30, 2019
Jul. 31, 2019
Aug. 31, 2019
Sep. 30, 2019
Oct. 31, 2019
Nov. 30, 2019
Dec. 31, 2019
Jan. 31, 2020
Feb. 29, 2020
Mar. 31, 2020
Apr. 30, 2020
May 31, 2020
Jun. 30, 2020
Jul. 31, 2020
Aug. 31, 2020
Sep. 30, 2020
Oct. 31, 2020
Nov. 30, 2020
Dec. 31, 2020
Jan. 31, 2021
Feb. 28, 2021
Mar. 31, 2021
Apr. 30, 2021
May 31, 2021
Jun. 30, 2021
Jul. 31, 2021
Aug. 31, 2021
Sep. 30, 2021
Oct. 31, 2021
Nov. 30, 2021
Dec. 31, 2021
Jan. 31, 2022
Feb. 28, 2022
Mar. 31, 2022
Apr. 30, 2022
May 31, 2022
Jun. 30, 2022
Jul. 31, 2022
Aug. 31, 2022
Sep. 30, 2022
Oct. 31, 2022
Nov. 30, 2022
Dec. 31, 2022
Jan. 31, 2023
Feb. 28, 2023
Mar. 31, 2023
Apr. 30, 2023
May 31, 2023
Jun. 30, 2023
Jul. 31, 2023
Aug. 31, 2023
Sep. 30, 2023
Oct. 31, 2023
Nov. 30, 2023
Dec. 31, 2023
Jan. 31, 2024
Feb. 29, 2024
Mar. 31, 2024
Apr. 30, 2024
May 31, 2024
Jun. 30, 2024
Jul. 31, 2024
Aug. 31, 2024
Sep. 30, 2024
Oct. 31, 2024
Nov. 30, 2024
Dec. 31, 2024
Jan. 31, 2025
Feb. 28, 2025
Mar. 31, 2025
Apr. 30, 2025
May 31, 2025
Jun. 30, 2025
Jul. 31, 2025
Aug. 31, 2025
Sep. 30, 2025
Oct. 31, 2025
Nov. 30, 2025
Dec. 31, 2025
C000099785                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class A                                                                                                                                                                                                                          
Accumulated Value $ 9,425 $ 9,185 $ 9,163 $ 9,994 $ 9,677 $ 9,954 $ 10,632 $ 11,036 $ 10,623 $ 10,450 $ 9,881 $ 9,633   $ 10,062 $ 10,032 $ 10,422 $ 10,131 $ 10,146 $ 10,192 $ 10,371 $ 10,508 $ 10,528 $ 10,436 $ 10,360 $ 10,643 $ 10,676 $ 10,373 $ 9,619 $ 10,038 $ 10,191 $ 10,459 $ 10,793 $ 10,793 $ 11,170 $ 10,885 $ 10,667 $ 11,136 $ 10,304 $ 11,481 $ 11,514 $ 11,987 $ 11,965 $ 12,091 $ 12,241 $ 12,401 $ 13,095 $ 13,373 $ 13,694 $ 13,512 $ 13,303 $ 13,492 $ 12,393 $ 10,256 $ 10,853 $ 11,060 $ 11,135 $ 11,793 $ 11,775 $ 11,422 $ 11,209 $ 12,223 $ 12,612 $ 12,563 $ 13,081 $ 13,590 $ 14,689 $ 14,853 $ 15,272 $ 16,013 $ 16,387 $ 15,366 $ 16,514 $ 16,343 $ 17,975 $ 16,373 $ 15,585 $ 16,678 $ 16,099 $ 15,151 $ 14,089 $ 15,210 $ 14,271 $ 12,483 $ 12,863 $ 13,589 $ 13,009 $ 14,215 $ 13,411 $ 13,295 $ 13,438 $ 12,878 $ 13,561 $ 13,732 $ 13,410 $ 12,521 $ 12,252 $ 13,507 $ 14,558 $ 13,893 $ 14,295 $ 14,555 $ 13,295 $ 13,984 $ 14,371 $ 15,343 $ 16,203 $ 16,706 $ 16,242 $ 16,797 $ 15,401 $ 15,493 $ 16,089 $ 15,652 $ 15,446 $ 15,574 $ 15,474 $ 15,209 $ 15,602 $ 15,650 $ 15,398 $ 15,729 $ 15,320
C000099787                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class C                                                                                                                                                                                                                          
Accumulated Value 10,000 9,734 9,711 10,584 10,243 10,528 11,238 11,661 11,219 11,029 10,422 10,158   10,598 10,566 10,967 10,653 10,669 10,710 10,890 11,026 11,041 10,938 10,848 11,142 11,173 10,848 10,053 10,485 10,642 10,908 11,250 11,245 11,633 11,332 11,096 11,578 10,705 11,918 11,946 12,433 12,399 12,528 12,676 12,828 13,543 13,821 14,142 13,950 13,725 13,911 12,774 10,560 11,173 11,377 11,452 12,120 12,096 11,729 11,502 12,528 12,924 12,863 13,392 13,901 15,016 15,176 15,591 16,337 16,707 15,657 16,817 16,632 18,283 16,644 15,834 16,933 16,334 15,367 14,279 15,405 14,454 12,633 13,005 13,735 13,141 14,348 13,528 13,410 13,546 12,969 13,651 13,814 13,481 12,577 12,304 13,553 14,601 13,924 14,321 14,566 13,303 13,983 14,360 15,324 16,171 16,664 16,195 16,733 15,334 15,417 16,008 15,556 15,340 15,465 15,360 15,080 15,458 15,499 15,239 15,555 15,145
C000099788                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class R                                                                                                                                                                                                                          
Accumulated Value 10,000 9,736 9,712 10,590 10,254 10,543 11,261 11,685 11,247 11,055 10,454 10,191   10,636 10,604 11,011 10,701 10,717 10,759 10,946 11,089 11,111 11,004 10,924 11,223 11,249 10,929 10,135 10,568 10,729 11,000 11,354 11,354 11,744 11,448 11,213 11,706 10,823 12,054 12,088 12,582 12,559 12,691 12,845 13,006 13,728 14,021 14,346 14,155 13,932 14,123 12,972 10,727 11,351 11,568 11,642 12,325 12,306 11,939 11,711 12,763 13,166 13,115 13,655 14,176 15,322 15,488 15,919 16,692 17,075 16,004 17,194 17,015 18,707 17,033 16,212 17,344 16,741 15,749 14,640 15,805 14,823 12,961 13,356 14,110 13,505 14,749 13,908 13,791 13,932 13,345 14,049 14,227 13,885 12,962 12,683 13,975 15,065 14,363 14,786 15,043 13,741 14,446 14,849 15,846 16,727 17,248 16,763 17,335 15,889 15,977 16,592 16,134 15,913 16,046 15,939 15,659 16,064 16,108 15,841 16,175 15,753
C000148175                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class R6                                                                                                                                                                                                                          
Accumulated Value 10,000 9,745 9,731 10,616 10,284 10,578 11,307 11,738 11,307 11,121 10,525 10,265   10,724 10,697 11,114 10,811 10,832 10,886 11,079 11,230 11,257 11,156 11,080 11,389 11,434 11,114 10,305 10,761 10,931 11,218 11,584 11,584 11,995 11,698 11,457 11,968 11,081 12,349 12,384 12,902 12,879 13,026 13,197 13,369 14,124 14,428 14,781 14,589 14,368 14,578 13,395 11,089 11,742 11,972 12,053 12,774 12,761 12,380 12,156 13,256 13,687 13,634 14,204 14,760 15,962 16,142 16,610 17,423 17,830 16,730 17,982 17,802 19,590 17,847 16,994 18,193 17,567 16,539 15,388 16,622 15,602 13,654 14,070 14,872 14,247 15,570 14,695 14,576 14,741 14,126 14,886 15,082 14,727 13,759 13,470 14,851 16,019 15,286 15,736 16,025 14,643 15,411 15,848 16,921 17,871 18,440 17,935 18,557 17,018 17,128 17,795 17,317 17,095 17,245 17,139 16,853 17,298 17,354 17,082 17,450 17,004
C000099789                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Class S                                                                                                                                                                                                                          
Accumulated Value 10,000 9,747 9,728 10,613 10,279 10,575 11,300 11,727 11,295 11,110 10,509 10,247   10,704 10,678 11,090 10,785 10,807 10,854 11,047 11,196 11,223 11,123 11,048 11,354 11,392 11,070 10,265 10,717 10,879 11,169 11,526 11,532 11,938 11,639 11,401 11,910 11,018 12,275 12,316 12,822 12,798 12,944 13,107 13,277 14,027 14,325 14,667 14,478 14,259 14,459 13,289 10,994 11,637 11,863 11,943 12,652 12,639 12,263 12,036 13,124 13,546 13,494 14,060 14,605 15,785 15,968 16,425 17,223 17,629 16,528 17,762 17,585 19,341 17,621 16,778 17,956 17,336 16,316 15,180 16,387 15,382 13,454 13,868 14,653 14,040 15,340 14,471 14,355 14,508 13,901 14,649 14,841 14,488 13,528 13,247 14,609 15,746 15,025 15,464 15,745 14,391 15,139 15,565 16,618 17,550 18,102 17,604 18,208 16,695 16,802 17,451 16,981 16,758 16,904 16,798 16,513 16,937 16,997 16,725 17,090 16,647
C000099790                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Line Graph and Table Measure Name                         Institutional Class                                                                                                                                                                                                                          
Accumulated Value 1,000,000 974,504 972,616 1,060,917 1,027,719 1,057,597 1,129,722 1,173,247 1,129,722 1,111,301 1,051,243 1,025,299   1,070,904 1,068,237 1,109,836 1,079,276 1,081,419 1,086,778 1,105,824 1,120,906 1,123,599 1,113,706 1,106,126 1,136,987 1,140,504 1,108,575 1,028,471 1,073,138 1,090,029 1,118,744 1,154,953 1,154,953 1,195,896 1,165,963 1,142,518 1,193,411 1,104,096 1,230,479 1,233,989 1,285,854 1,283,502 1,297,613 1,314,230 1,331,406 1,406,623 1,437,199 1,471,716 1,452,672 1,430,937 1,451,198 1,333,431 1,103,477 1,168,500 1,191,450 1,199,903 1,270,985 1,269,680 1,232,052 1,209,758 1,318,604 1,361,205 1,356,593 1,412,596 1,468,282 1,587,224 1,605,726 1,651,232 1,732,168 1,772,636 1,662,894 1,787,428 1,769,447 1,946,919 1,773,686 1,688,851 1,807,648 1,745,463 1,643,251 1,529,166 1,651,088 1,549,731 1,355,788 1,397,141 1,476,894 1,414,410 1,545,827 1,458,958 1,446,818 1,463,208 1,402,117 1,477,268 1,496,746 1,461,537 1,365,044 1,336,418 1,473,525 1,589,038 1,516,327 1,561,014 1,589,363 1,452,218 1,528,410 1,571,436 1,677,935 1,772,175 1,828,235 1,778,178 1,839,787 1,686,779 1,697,681 1,763,875 1,715,870 1,693,932 1,708,819 1,698,703 1,669,551 1,713,673 1,718,907 1,691,950 1,728,422 1,684,560
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,504 9,491 10,135 10,174 10,357 10,384 10,766 10,782 10,784 10,587 10,979   11,196 11,408 11,861 11,875 11,997 12,166 12,242 12,494 12,532 12,790 13,089 13,490 13,640 14,421 13,890 13,537 13,589 13,916 14,002 14,523 14,996 15,081 14,050 14,337 13,042 14,087 14,540 14,822 15,422 14,442 15,460 15,682 15,434 15,723 16,063 16,646 17,149 17,142 15,731 13,788 15,556 16,296 16,620 17,558 18,820 18,105 17,623 19,552 20,304 20,099 20,653 21,558 22,708 22,867 23,401 23,957 24,685 23,537 25,186 25,011 26,132 24,780 24,038 24,931 22,757 22,798 20,917 22,845 21,913 19,895 21,506 22,708 21,400 22,744 22,189 23,004 23,363 23,464 25,015 25,819 25,407 24,196 23,687 25,851 27,025 27,479 28,946 29,878 28,657 30,078 31,158 31,537 32,302 32,992 32,693 34,612 33,787 34,727 34,274 32,343 32,124 34,146 35,882 36,688 37,431 38,797 39,706 39,803 39,828
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,504 9,491 10,135 10,174 10,357 10,384 10,766 10,782 10,784 10,587 10,979   11,196 11,408 11,861 11,875 11,997 12,166 12,242 12,494 12,532 12,790 13,089 13,490 13,640 14,421 13,890 13,537 13,589 13,916 14,002 14,523 14,996 15,081 14,050 14,337 13,042 14,087 14,540 14,822 15,422 14,442 15,460 15,682 15,434 15,723 16,063 16,646 17,149 17,142 15,731 13,788 15,556 16,296 16,620 17,558 18,820 18,105 17,623 19,552 20,304 20,099 20,653 21,558 22,708 22,867 23,401 23,957 24,685 23,537 25,186 25,011 26,132 24,780 24,038 24,931 22,757 22,798 20,917 22,845 21,913 19,895 21,506 22,708 21,400 22,744 22,189 23,004 23,363 23,464 25,015 25,819 25,407 24,196 23,687 25,851 27,025 27,479 28,946 29,878 28,657 30,078 31,158 31,537 32,302 32,992 32,693 34,612 33,787 34,727 34,274 32,343 32,124 34,146 35,882 36,688 37,431 38,797 39,706 39,803 39,828
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,504 9,491 10,135 10,174 10,357 10,384 10,766 10,782 10,784 10,587 10,979   11,196 11,408 11,861 11,875 11,997 12,166 12,242 12,494 12,532 12,790 13,089 13,490 13,640 14,421 13,890 13,537 13,589 13,916 14,002 14,523 14,996 15,081 14,050 14,337 13,042 14,087 14,540 14,822 15,422 14,442 15,460 15,682 15,434 15,723 16,063 16,646 17,149 17,142 15,731 13,788 15,556 16,296 16,620 17,558 18,820 18,105 17,623 19,552 20,304 20,099 20,653 21,558 22,708 22,867 23,401 23,957 24,685 23,537 25,186 25,011 26,132 24,780 24,038 24,931 22,757 22,798 20,917 22,845 21,913 19,895 21,506 22,708 21,400 22,744 22,189 23,004 23,363 23,464 25,015 25,819 25,407 24,196 23,687 25,851 27,025 27,479 28,946 29,878 28,657 30,078 31,158 31,537 32,302 32,992 32,693 34,612 33,787 34,727 34,274 32,343 32,124 34,146 35,882 36,688 37,431 38,797 39,706 39,803 39,828
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,504 9,491 10,135 10,174 10,357 10,384 10,766 10,782 10,784 10,587 10,979   11,196 11,408 11,861 11,875 11,997 12,166 12,242 12,494 12,532 12,790 13,089 13,490 13,640 14,421 13,890 13,537 13,589 13,916 14,002 14,523 14,996 15,081 14,050 14,337 13,042 14,087 14,540 14,822 15,422 14,442 15,460 15,682 15,434 15,723 16,063 16,646 17,149 17,142 15,731 13,788 15,556 16,296 16,620 17,558 18,820 18,105 17,623 19,552 20,304 20,099 20,653 21,558 22,708 22,867 23,401 23,957 24,685 23,537 25,186 25,011 26,132 24,780 24,038 24,931 22,757 22,798 20,917 22,845 21,913 19,895 21,506 22,708 21,400 22,744 22,189 23,004 23,363 23,464 25,015 25,819 25,407 24,196 23,687 25,851 27,025 27,479 28,946 29,878 28,657 30,078 31,158 31,537 32,302 32,992 32,693 34,612 33,787 34,727 34,274 32,343 32,124 34,146 35,882 36,688 37,431 38,797 39,706 39,803 39,828
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,504 9,491 10,135 10,174 10,357 10,384 10,766 10,782 10,784 10,587 10,979   11,196 11,408 11,861 11,875 11,997 12,166 12,242 12,494 12,532 12,790 13,089 13,490 13,640 14,421 13,890 13,537 13,589 13,916 14,002 14,523 14,996 15,081 14,050 14,337 13,042 14,087 14,540 14,822 15,422 14,442 15,460 15,682 15,434 15,723 16,063 16,646 17,149 17,142 15,731 13,788 15,556 16,296 16,620 17,558 18,820 18,105 17,623 19,552 20,304 20,099 20,653 21,558 22,708 22,867 23,401 23,957 24,685 23,537 25,186 25,011 26,132 24,780 24,038 24,931 22,757 22,798 20,917 22,845 21,913 19,895 21,506 22,708 21,400 22,744 22,189 23,004 23,363 23,464 25,015 25,819 25,407 24,196 23,687 25,851 27,025 27,479 28,946 29,878 28,657 30,078 31,158 31,537 32,302 32,992 32,693 34,612 33,787 34,727 34,274 32,343 32,124 34,146 35,882 36,688 37,431 38,797 39,706 39,803 39,828
DWS Index: S&P 500® Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 1,000,000 950,376 949,094 1,013,479 1,017,408 1,035,679 1,038,363 1,076,646 1,078,158 1,078,362 1,058,691 1,097,900   1,119,601 1,140,836 1,186,134 1,187,518 1,199,714 1,216,597 1,224,190 1,249,363 1,253,188 1,279,039 1,308,886 1,349,029 1,364,028 1,442,124 1,388,971 1,353,673 1,358,867 1,391,591 1,400,156 1,452,261 1,499,583 1,508,119 1,405,039 1,433,671 1,304,224 1,408,739 1,453,971 1,482,224 1,542,239 1,444,233 1,546,017 1,568,237 1,543,396 1,572,274 1,606,329 1,664,637 1,714,879 1,714,207 1,573,095 1,378,798 1,555,551 1,629,639 1,662,048 1,755,763 1,881,968 1,810,459 1,762,312 1,955,222 2,030,397 2,009,899 2,065,322 2,155,774 2,270,825 2,286,685 2,340,067 2,395,655 2,468,496 2,353,687 2,518,591 2,501,140 2,613,231 2,478,004 2,403,809 2,493,061 2,275,662 2,279,837 2,091,651 2,284,511 2,191,344 1,989,524 2,150,599 2,270,783 2,139,953 2,274,415 2,218,922 2,300,388 2,336,293 2,346,448 2,501,490 2,581,850 2,540,743 2,419,606 2,368,730 2,585,055 2,702,496 2,747,909 2,894,635 2,987,769 2,865,735 3,007,832 3,115,759 3,153,685 3,230,183 3,299,170 3,269,251 3,461,160 3,378,652 3,472,739 3,427,426 3,234,310 3,212,378 3,414,580 3,588,220 3,668,750 3,743,121 3,879,745 3,970,584 3,980,316 3,982,753
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,648 9,607 10,584 10,392 10,632 11,368 11,810 11,400 11,231 10,657 10,399   10,863 10,881 11,318 11,140 11,188 11,174 11,393 11,537 11,611 11,519 11,534 11,840 11,805 11,457 10,624 11,019 11,076 11,475 11,955 12,028 12,362 12,059 11,740 12,298 11,328 12,639 12,708 13,273 13,242 13,328 13,511 13,719 14,287 14,555 14,713 14,486 14,575 14,759 13,722 11,158 12,143 12,351 12,636 13,119 13,136 12,787 12,358 13,497 13,828 13,818 14,194 14,979 16,195 16,328 16,780 17,513 17,878 16,819 18,009 17,827 19,539 17,989 17,289 18,511 17,834 16,999 15,792 17,142 16,134 14,082 14,558 15,431 14,664 16,141 15,184 14,920 14,964 14,332 15,100 15,402 14,889 13,841 13,410 15,000 16,330 15,536 15,835 16,116 14,841 15,626 15,972 17,118 18,081 18,654 17,980 18,623 17,133 17,309 18,030 17,605 17,256 17,455 17,441 17,252 17,829 17,907 17,512 17,905 17,522
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,648 9,607 10,584 10,392 10,632 11,368 11,810 11,400 11,231 10,657 10,399   10,863 10,881 11,318 11,140 11,188 11,174 11,393 11,537 11,611 11,519 11,534 11,840 11,805 11,457 10,624 11,019 11,076 11,475 11,955 12,028 12,362 12,059 11,740 12,298 11,328 12,639 12,708 13,273 13,242 13,328 13,511 13,719 14,287 14,555 14,713 14,486 14,575 14,759 13,722 11,158 12,143 12,351 12,636 13,119 13,136 12,787 12,358 13,497 13,828 13,818 14,194 14,979 16,195 16,328 16,780 17,513 17,878 16,819 18,009 17,827 19,539 17,989 17,289 18,511 17,834 16,999 15,792 17,142 16,134 14,082 14,558 15,431 14,664 16,141 15,184 14,920 14,964 14,332 15,100 15,402 14,889 13,841 13,410 15,000 16,330 15,536 15,835 16,116 14,841 15,626 15,972 17,118 18,081 18,654 17,980 18,623 17,133 17,309 18,030 17,605 17,256 17,455 17,441 17,252 17,829 17,907 17,512 17,905 17,522
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,648 9,607 10,584 10,392 10,632 11,368 11,810 11,400 11,231 10,657 10,399   10,863 10,881 11,318 11,140 11,188 11,174 11,393 11,537 11,611 11,519 11,534 11,840 11,805 11,457 10,624 11,019 11,076 11,475 11,955 12,028 12,362 12,059 11,740 12,298 11,328 12,639 12,708 13,273 13,242 13,328 13,511 13,719 14,287 14,555 14,713 14,486 14,575 14,759 13,722 11,158 12,143 12,351 12,636 13,119 13,136 12,787 12,358 13,497 13,828 13,818 14,194 14,979 16,195 16,328 16,780 17,513 17,878 16,819 18,009 17,827 19,539 17,989 17,289 18,511 17,834 16,999 15,792 17,142 16,134 14,082 14,558 15,431 14,664 16,141 15,184 14,920 14,964 14,332 15,100 15,402 14,889 13,841 13,410 15,000 16,330 15,536 15,835 16,116 14,841 15,626 15,972 17,118 18,081 18,654 17,980 18,623 17,133 17,309 18,030 17,605 17,256 17,455 17,441 17,252 17,829 17,907 17,512 17,905 17,522
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,648 9,607 10,584 10,392 10,632 11,368 11,810 11,400 11,231 10,657 10,399   10,863 10,881 11,318 11,140 11,188 11,174 11,393 11,537 11,611 11,519 11,534 11,840 11,805 11,457 10,624 11,019 11,076 11,475 11,955 12,028 12,362 12,059 11,740 12,298 11,328 12,639 12,708 13,273 13,242 13,328 13,511 13,719 14,287 14,555 14,713 14,486 14,575 14,759 13,722 11,158 12,143 12,351 12,636 13,119 13,136 12,787 12,358 13,497 13,828 13,818 14,194 14,979 16,195 16,328 16,780 17,513 17,878 16,819 18,009 17,827 19,539 17,989 17,289 18,511 17,834 16,999 15,792 17,142 16,134 14,082 14,558 15,431 14,664 16,141 15,184 14,920 14,964 14,332 15,100 15,402 14,889 13,841 13,410 15,000 16,330 15,536 15,835 16,116 14,841 15,626 15,972 17,118 18,081 18,654 17,980 18,623 17,133 17,309 18,030 17,605 17,256 17,455 17,441 17,252 17,829 17,907 17,512 17,905 17,522
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value 10,000 9,648 9,607 10,584 10,392 10,632 11,368 11,810 11,400 11,231 10,657 10,399   10,863 10,881 11,318 11,140 11,188 11,174 11,393 11,537 11,611 11,519 11,534 11,840 11,805 11,457 10,624 11,019 11,076 11,475 11,955 12,028 12,362 12,059 11,740 12,298 11,328 12,639 12,708 13,273 13,242 13,328 13,511 13,719 14,287 14,555 14,713 14,486 14,575 14,759 13,722 11,158 12,143 12,351 12,636 13,119 13,136 12,787 12,358 13,497 13,828 13,818 14,194 14,979 16,195 16,328 16,780 17,513 17,878 16,819 18,009 17,827 19,539 17,989 17,289 18,511 17,834 16,999 15,792 17,142 16,134 14,082 14,558 15,431 14,664 16,141 15,184 14,920 14,964 14,332 15,100 15,402 14,889 13,841 13,410 15,000 16,330 15,536 15,835 16,116 14,841 15,626 15,972 17,118 18,081 18,654 17,980 18,623 17,133 17,309 18,030 17,605 17,256 17,455 17,441 17,252 17,829 17,907 17,512 17,905 17,522
DWS Index: FTSE NAREIT All Equity REITs Index                                                                                                                                                                                                                                                    
Account Value [Line Items]                                                                                                                                                                                                                                                    
Accumulated Value $ 1,000,000 $ 964,804 $ 960,676 $ 1,058,388 $ 1,039,192 $ 1,063,235 $ 1,136,800 $ 1,181,011 $ 1,139,972 $ 1,123,089 $ 1,065,698 $ 1,039,883   $ 1,086,292 $ 1,088,094 $ 1,131,772 $ 1,113,961 $ 1,118,787 $ 1,117,363 $ 1,139,296 $ 1,153,709 $ 1,161,117 $ 1,151,906 $ 1,153,374 $ 1,183,988 $ 1,180,516 $ 1,145,748 $ 1,062,438 $ 1,101,853 $ 1,107,592 $ 1,147,487 $ 1,195,497 $ 1,202,759 $ 1,236,158 $ 1,205,907 $ 1,174,006 $ 1,229,799 $ 1,132,770 $ 1,263,942 $ 1,270,787 $ 1,327,316 $ 1,324,241 $ 1,332,770 $ 1,351,071 $ 1,371,881 $ 1,428,689 $ 1,455,510 $ 1,471,268 $ 1,448,568 $ 1,457,454 $ 1,475,894 $ 1,372,202 $ 1,115,810 $ 1,214,332 $ 1,235,103 $ 1,263,629 $ 1,311,853 $ 1,313,645 $ 1,278,662 $ 1,235,767 $ 1,349,744 $ 1,382,810 $ 1,381,826 $ 1,419,445 $ 1,497,890 $ 1,619,476 $ 1,632,805 $ 1,678,037 $ 1,751,274 $ 1,787,758 $ 1,681,894 $ 1,800,936 $ 1,782,681 $ 1,953,888 $ 1,798,895 $ 1,728,860 $ 1,851,071 $ 1,783,413 $ 1,699,923 $ 1,579,244 $ 1,714,230 $ 1,613,363 $ 1,408,182 $ 1,455,804 $ 1,543,070 $ 1,466,422 $ 1,614,084 $ 1,518,437 $ 1,492,007 $ 1,496,446 $ 1,433,171 $ 1,509,958 $ 1,540,197 $ 1,488,946 $ 1,384,110 $ 1,340,957 $ 1,500,026 $ 1,632,955 $ 1,553,586 $ 1,583,521 $ 1,611,649 $ 1,484,140 $ 1,562,614 $ 1,597,186 $ 1,711,810 $ 1,808,103 $ 1,865,361 $ 1,798,025 $ 1,862,283 $ 1,713,333 $ 1,730,901 $ 1,802,968 $ 1,760,474 $ 1,725,635 $ 1,745,517 $ 1,744,093 $ 1,725,213 $ 1,782,915 $ 1,790,668 $ 1,751,157 $ 1,790,509 $ 1,752,228