XML 48 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Recent Accounting Pronouncements - Additional Information (Details)
$ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
New Accounting Pronouncements And Changes In Accounting Principles [Abstract]  
Aggregate future minimum lease payments $ 1.3
Current non-cancelable office lease, expiration date 2021