Income Taxes	6 Months Ended
Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	14. INCOME TAXES The Company’s operations are comprised of entities that are organized as limited liability companies and limited partnerships. For U.S. federal income tax purposes, taxes related to income earned by these entities represent obligations of their interest holders, except for the New York City unincorporated business tax (“UBT”) and certain other foreign, state, and local taxes. In connection with the Company’s reorganization and IPO, the Company became subject to U.S. corporate federal, state, and local income tax on its allocable share of results of operations from Group LP. The Company’s provision for income taxes and effective tax rate were $1,234 and 3%, and $6,027 and 10%, for the three months ended June 30, 2019 and 2018, respectively. For the six months ended June 30, 2019 and 2018, the Company’s provision for income taxes and effective tax rate were a benefit of $3,224 and (6%) and an expense of $8,590 and 7%, respectively. The income tax provision for the aforementioned periods primarily reflects the Company’s allocable share of earnings from Group LP at the prevailing U.S. federal, state, and local corporate income tax rates and the effect of the excess tax benefit recognized in connection with the delivery of equity-based compensation. The excess tax benefits for the three months ended June 30, 2019 and 2018 were $6,745 and $5,387, respectively, and $13,567 and $12,805 for the six months ended June 30, 2019 and 2018, respectively.

Income Taxes

6 Months Ended

Jun. 30, 2019

14. INCOME TAXES

The Company’s operations are comprised of entities that are organized as limited liability companies and limited partnerships. For U.S. federal income tax purposes, taxes related to income earned by these entities represent obligations of their interest holders, except for the New York City unincorporated business tax (“UBT”) and certain other foreign, state, and local taxes. In connection with the Company’s reorganization and IPO, the Company became subject to U.S. corporate federal, state, and local income tax on its allocable share of results of operations from Group LP.

The Company’s provision for income taxes and effective tax rate were $1,234 and 3%, and $6,027 and 10%, for the three months ended June 30, 2019 and 2018, respectively. For the six months ended June 30, 2019 and 2018, the Company’s provision for income taxes and effective tax rate were a benefit of $3,224 and (6%) and an expense of $8,590 and 7%, respectively. The income tax provision for the aforementioned periods primarily reflects the Company’s allocable share of earnings from Group LP at the prevailing U.S. federal, state, and local corporate income tax rates and the effect of the excess tax benefit recognized in connection with the delivery of equity-based compensation. The excess tax benefits for the three months ended June 30, 2019 and 2018 were $6,745 and $5,387, respectively, and $13,567 and $12,805 for the six months ended June 30, 2019 and 2018, respectively.