Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details)

v3.19.3
Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Jan. 01, 2019
Jul. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cumulative impact from the adoption of ASU   $ (54)
Retained Earnings    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cumulative impact from the adoption of ASU   $ 0
Accounting Standards Update 2018-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cumulative impact from the adoption of ASU $ 0  
Accounting Standards Update 2018-02 | Retained Earnings    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cumulative impact from the adoption of ASU 217  
Accounting Standards Update 2018-02 | Accumulated Other Comprehensive Loss    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Cumulative impact from the adoption of ASU $ (217)