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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Unit Activity
The following table summarizes the Company's RSU activity during the nine months ended September 30, 2021:
Unvested Time-
Based RSUs
Unvested Performance-
Based RSUs
Weighted-Average Grant
Date Price Per Share
Outstanding as of January 1, 2021110,382 332,095 $31.40 
Shares granted208,611 218,507 $28.90 
Shares vested(24,522)— $31.40 
Shares forfeited(13,880)(79,562)$30.73 
Outstanding as of September 30, 2021280,591 471,040 $30.06