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Compensation and Benefits (Tables)
 6 Months Ended
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]  
Components of Compensation Expense Total compensation and benefits consists of the following:
For the Three Months Ended June 30,For the Six Months Ended June 30,
2021202020212020
Salaries, incentive compensation and benefits (1)
$125,911 $93,139 $254,275 $188,669 
Long-term cash incentive compensation expense1,921 — 3,135 — 
Restricted share-based award compensation expense10,181 9,065 20,068 18,252 
Long-term incentive compensation awards12,102 9,065 23,203 18,252 
Total compensation and benefits$138,013 $102,204 $277,478 $206,921 
(1) Excluding long-term incentive compensation awards
Restricted Share-Based Award Activity The following tables summarize the restricted share-based award activity for the six months ended June 30, 2021:
Weighted-Average Grant Date Fair ValueRestricted Stock Awards and Restricted Stock Units
Unvested at January 1, 2021$35.09 5,293,642 
Granted52.93 741,555 
Forfeited29.31 (95,235)
Vested31.53 (685,178)
Unvested at June 30, 2021
$38.17 5,254,784 
Nonvested Restricted Stock Shares Activity
Weighted-Average Grant Date Fair ValuePerformance Share Units
Unvested at January 1, 2021$52.45 60,000 
Granted68.58 75,230 
Forfeited— — 
Vested— — 
Unvested at June 30, 2021
$61.42 135,230 
Change in Value of Investments The change in value of the investments had the following impact on the unaudited consolidated statements of operations:
For the Three Months Ended June 30,For the Six Months Ended June 30,
Statement of Operations SectionStatement of Operations Line Item 2021202020212020
Operating Expenses Compensation and benefits$213 $— $210 $— 
Non-operating income (expense) Other net investment gain (loss)(2,578)— (2,473)—