XML 38 R28.htm IDEA: XBRL DOCUMENT v3.19.2
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
Jun. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Gross carrying amount $ 6,270,000 $ 6,700,000   $ 0
Right of use lease obligations 6,270,000 $ 6,700,000    
Intangible Assets, Net (Excluding Goodwill) $ 68,000   $ 102,000