Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policies - Adoption of New Accounting Standards (Details)

v3.19.1
Basis of Presentation and Accounting Policies - Adoption of New Accounting Standards (Details) - USD ($)
Jan. 01, 2019
Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Impact of adoption of accounting principle $ 25,359,000 $ (2,467,000)
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Impact of adoption of accounting principle 174.6  
Accounting Standards Update 2016-02 | Retained Earnings    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Impact of adoption of accounting principle 15,523,000  
Accounting Standards Update 2016-02 | Retained Earnings | Sale-Leaseback    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Impact of adoption of accounting principle 25,400,000  
Accounting Standards Update 2016-16 | Retained Earnings    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Impact of adoption of accounting principle $ (2,467,000) $ (2,467,000)