Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Stockholders Equity Note [Abstract]

Company's Restricted Stock Grants and Stock Options

The following tables set forth the activity of the Company’s restricted stock grants and stock options to date:

	Shares			Weighted- average fair value
Shares unvested January 1, 2020		786.3		$	35.69
Shares granted		325.6			34.58
Shares for which restrictions lapsed		(175.1	)		38.06
Shares unvested June 30, 2020		936.8		$	34.93

	Shares		Weighted- average fair value
Options unvested January 1, 2020		271.7	$	30.65
Options granted		214.5		34.78
Options exercised		—		—
Options outstanding June 30, 2020		486.2	$	32.47
Quantity ending exercisable balance		66.4	$	30.65