Quarterly report pursuant to Section 13 or 15(d)

Income Tax (Narrative) (Details)

v3.19.1
Income Tax (Narrative) (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Unrecognized income tax benefits  
Income tax expense accrued
Portion of deferred tax assets from net operating losses utilized to offset a portion of the previously recorded deferred tax liability associated with indefinite lived R&D in process costs $ 0.9