Concentrations of Credit Risk |
12 Months Ended |
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Dec. 31, 2021 | |
Risks and Uncertainties [Abstract] | |
Concentrations of Credit Risk | Concentrations of Credit RiskFinancial instruments could potentially expose us to concentrations of credit risk, including our unsecured receivables from the Exchange. A large majority of our revenue and receivables are from the Exchange and its affiliates. See also Note 1, "Nature of Operations". Net management fee amounts and other reimbursements due from the Exchange and its affiliates were $479.1 million and $494.6 million at December 31, 2021 and 2020, respectively. Upon adoption of ASU 2016-13, we recorded an allowance for current expected credit losses of $0.6 million related to the receivables from the Exchange and affiliates. See also Note 2, "Significant Accounting Policies". The current expected credit loss allowance was $0.5 million and $0.6 million at December 31, 2021 and 2020, respectively. |