XML 86 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule of Unrecognized Tax Benefits (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Income Tax Disclosure [Abstract]  
Balance at December 31, 2017 $ (1,229)
Balance at December 31, 2018 $ (1,229)