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Common Stock (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of restricted stock unit activity

The summary of restricted stock unit ("RSU") activity is as follows (in thousands, except per share data):

			Number of Shares						Weighted- Average Grant Date Fair Value						Aggregate Intrinsic Value
Nonvested units as of December 31, 2020			33,602						$	41.49					$	1,650,577
Granted			8,195						58.18
Vested			(5,218)						38.01
Canceled			(1,862)						44.79
Nonvested units as of March 31, 2021			34,717						$	45.84					$	2,168,444

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Tabular disclosure of the change in restricted stock units (RSUs).

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