Income taxes - U.S. statutory income tax rate to the Company's effective tax rate (Details) |
12 Months Ended | ||
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Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| U.S. statutory income tax rate to the Company's effective tax rate [Abstract] | |||
| Federal tax at statutory rate | 21.00% | 21.00% | 21.00% |
| State and local income tax (net of federal tax benefit) | 0.37% | 0.60% | 0.70% |
| Income Passed Through to Limited Partners | (19.46%) | (20.40%) | (20.70%) |
| Other | 0.07% | 0.00% | 0.00% |
| Effective tax rate | 1.98% | 1.20% | 1.00% |
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- Definition Income passed through to limited partners. No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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