Income Taxes	3 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company's Provision for Income Taxes was $18,292 and $9,734 for the three months ended March 31, 2017 and 2016, respectively. The effective tax rate was 16% and 56% for the three months ended March 31, 2017 and 2016, respectively. The effective tax rate for the three months ended March 31, 2017 reflects the application of ASU 2016-09, which was adopted effective January 1, 2017. ASU 2016-09 requires that the tax deduction associated with the appreciation in the Company's share price upon vesting of employee share-based awards above the original grant price be reflected in income tax expense. The application of ASU 2016-09 resulted in excess tax benefits from the delivery of Class A common stock under share-based payment arrangements of ($22,957) being recognized in the Company's Provision for Income Taxes for the three months ended March 31, 2017, and resulted in a reduction in the effective tax rate of 20 percentage points for the period. The effective tax rate for the three months ended March 31, 2017 and 2016 also reflects the effect of certain nondeductible expenses, including expenses related to Class E LP Units and Class G and H LP Interests, as well as the noncontrolling interest associated with LP Units and other adjustments. The Company reported an increase in deferred tax assets of $21 associated with changes in Unrealized Gain (Loss) on Marketable Securities and a decrease of $140 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the three months ended March 31, 2017. The Company reported a decrease in deferred tax assets of $8 associated with changes in Unrealized Gain (Loss) on Marketable Securities and an increase of $1,183 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the three months ended March 31, 2016. As of March 31, 2017, the Company had no unrecognized tax benefits. The Company classifies interest relating to tax matters and tax penalties as a component of income tax expense in its Unaudited Condensed Consolidated Statements of Operations.

Income Taxes

3 Months Ended

Mar. 31, 2017

The Company's Provision for Income Taxes was $18,292 and $9,734 for the three months ended March 31, 2017 and 2016, respectively. The effective tax rate was 16% and 56% for the three months ended March 31, 2017 and 2016, respectively. The effective tax rate for the three months ended March 31, 2017 reflects the application of ASU 2016-09, which was adopted effective January 1, 2017. ASU 2016-09 requires that the tax deduction associated with the appreciation in the Company's share price upon vesting of employee share-based awards above the original grant price be reflected in income tax expense. The application of ASU 2016-09 resulted in excess tax benefits from the delivery of Class A common stock under share-based payment arrangements of ($22,957) being recognized in the Company's Provision for Income Taxes for the three months ended March 31, 2017, and resulted in a reduction in the effective tax rate of 20 percentage points for the period. The effective tax rate for the three months ended March 31, 2017 and 2016 also reflects the effect of certain nondeductible expenses, including expenses related to Class E LP Units and Class G and H LP Interests, as well as the noncontrolling interest associated with LP Units and other adjustments.

The Company reported an increase in deferred tax assets of $21 associated with changes in Unrealized Gain (Loss) on Marketable Securities and a decrease of $140 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the three months ended March 31, 2017. The Company reported a decrease in deferred tax assets of $8 associated with changes in Unrealized Gain (Loss) on Marketable Securities and an increase of $1,183 associated with changes in Foreign Currency Translation Adjustment Gain (Loss), in Accumulated Other Comprehensive Income (Loss) for the three months ended March 31, 2016.

As of March 31, 2017, the Company had no unrecognized tax benefits.

The Company classifies interest relating to tax matters and tax penalties as a component of income tax expense in its Unaudited Condensed Consolidated Statements of Operations.