XML 60 R16.htm IDEA: XBRL DOCUMENT

Profit Sharing and 401(k) Plan	12 Months Ended
Profit Sharing and 401(k) Plan	Dec. 31, 2019
Postemployment Benefits [Abstract]
Profit Sharing and 401(k) Plan	Profit Sharing and 401(k) Plan We have a profit sharing and 401(k) plan that covers substantially all employees and allows for discretionary contributions by us. We make employer contributions to this plan, and the expense was approximately $0.4 million, $0.5 million and $0.3 million in 2019, 2018 and 2017, respectively.