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v3.20.2

Related Person Transactions - Revenue from Related Parties (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2018
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 588,640 | $ 712,740 | $ 403,257
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 99.90% | 99.90% | 99.60%
Revenues from unrelated parties |  |  |  |  |  |  |  |  | $ 865 | $ 628 | $ 1,722
Percentage of revenue from unrelated parties |  |  |  |  |  |  |  |  | 0.10% | 0.10% | 0.40%
Revenues, net | $ 150,103 | $ 138,649 | $ 140,861 | $ 159,892 | $ 159,244 | $ 143,715 | $ 130,096 | $ 280,313 | $ 589,505 | $ 713,368 | $ 404,979
Percentage of revenue, net |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Managed Equity REITs |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 527,191 | $ 643,133 | $ 364,107
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 89.50% | 90.10% | 89.90%
DHC |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 175,082 | $ 210,728 | $ 118,301
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 29.70% | 29.50% | 29.20%
ILPT |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 48,056 | $ 43,242 | $ 10,935
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 8.20% | 6.10% | 2.70%
OPI |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 242,217 | $ 239,291 | $ 53,954
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 41.10% | 33.50% | 13.30%
SIR |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 0 | $ 47,843 | $ 62,321
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.00% | 6.70% | 15.40%
SVC |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 61,836 | $ 102,029 | $ 118,596
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 10.50% | 14.30% | 29.30%
Managed Operators |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 24,387 | $ 27,079 | $ 28,044
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 4.10% | 3.80% | 6.90%
Five Star |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 9,084 | $ 9,702 | $ 9,840
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 1.50% | 1.40% | 2.40%
Sonesta |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 1,738 | $ 3,186 | $ 2,847
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.30% | 0.40% | 0.70%
TA |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 13,565 | $ 14,191 | $ 15,357
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 2.30% | 2.00% | 3.80%
Other Client Companies |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 37,062 | $ 42,528 | $ 11,106
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 6.30% | 6.00% | 2.80%
ABP Trust |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 12,544 | $ 15,070 | $ 4,865
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 2.20% | 2.10% | 1.20%
AIC |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 98 | $ 570 | $ 240
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.00% | 0.10% | 0.10%
Open End Fund |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 18,988 | $ 20,366 | $ 608
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 3.20% | 2.90% | 0.20%
RMRM |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 2,767 | $ 3,013 | $ 2,888
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.50% | 0.40% | 0.70%
TRMT |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 2,546 | $ 3,509 | $ 2,505
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.40% | 0.50% | 0.60%
Centre Street |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  | $ 119 | $ 0 | $ 0
Percentage of revenue from related parties |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 0.00%

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