XML 82 R68.htm IDEA: XBRL DOCUMENT v3.19.2
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Present value of remaining lease payments $ 16,178  
Lease liability 13,082 $ 0
Right-of-use asset 11,573 $ 0
ASU 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Lease liability 13,000  
Right-of-use asset $ 12,000