XML 28 R9.htm IDEA: XBRL DOCUMENT v3.8.0.1
Restricted Cash
12 Months Ended
Dec. 31, 2017
Cash and Cash Equivalents [Abstract]  
Restricted Cash
Restricted Cash
As of December 31, 2017 and 2016, the Company’s Consolidated Balance Sheets included approximately $9.0 million and $8.0 million, respectively, in restricted cash. Restricted cash is used primarily to collateralize standby letters of credit for certain leases and insurance policies in addition to securing certain transactions as dictated by the financial institutions used by the Company.