XML 53 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule of Unrecognized Tax Benefits Which Would Lower Effective Tax Rate if Realized (Detail) - State and Local Jurisdiction
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Income Tax Contingency [Line Items]  
Unrecognized tax benefit related to state tax issues $ 12,425
Interest receivable on unrecognized tax benefit related to state tax issues $ 60