Summary of Significant Accounting Policies (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Accounting Policies [Abstract]
Health insurance maximum risk of loss liability per employee insurance plan (up to)			$ 600
Health insurance maximum aggregate amount of risk of loss liability for employee insurance plans (up to)			$ 200
Common stock equivalents (in shares)	(609)	(288)	(529)	(298)
Anti-dilutive common stock equivalents (in shares)		(352)		(346)