Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements (Details)

v3.19.2
Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating Lease, Right-of-Use Asset $ 149,544 $ 0
Operating Lease, Liability $ 150,122