Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.7.0.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jan. 01, 2017
Dec. 31, 2016
Accounting Policies [Abstract]      
Assets held for sale $ 227,844   $ 0
Liabilities held for sale $ 43,059   $ 0
ASU 2016-09 | Additional Paid-in Capital      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cumulative effect   $ 1,200  
ASU 2016-09 | Pro Forma      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Deferred tax asset   $ 142,000  
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Requisite service period 3 years    
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Requisite service period 4 years