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Leases (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Lease
Dec. 31, 2018
USD ($)
Operating Leases [Abstract]      
Number of non-cancellable operating leases entered during period | Lease   1  
Initial lease term 10 years 10 years  
Operating Lease Assets [Abstract]      
Right-of use lease assets $ 187,178 $ 187,178 $ 0
Operating Lease Liabilities [Abstract]      
Current lease liabilities 28,768 28,768 0
Non-current lease liabilities 158,782 158,782 $ 0
Total operating lease liabilities $ 187,550 $ 187,550  
Weighted-Average Remaining Lease Term and Discount Rate [Abstract]      
Weighted average remaining lease term, Operating leases 7 years 6 months 7 years 6 months  
Weighted average discount rate, Operating leases 6.71% 6.71%  
Undiscounted Future Minimum Lease Payments [Abstract]      
July 1, 2019 thru December 31, 2019 $ 20,205 $ 20,205  
2020 39,095 39,095  
2021 36,696 36,696  
2022 31,300 31,300  
2023 24,749 24,749  
Thereafter 89,818 89,818  
Total undiscounted future minimum lease payments 241,863 241,863  
Less: difference between undiscounted lease payments and discounted operating lease liabilities (54,313) (54,313)  
Total operating lease liabilities 187,550 187,550  
Lease Expense [Abstract]      
Operating lease cost 10,465 20,693  
Short-term lease cost 30 40  
Variable lease cost 1,281 2,812  
Total lease expense $ 11,776 23,545  
Cash paid for amounts included in the measurement of lease liabilities [Abstract]      
Operating cash flows from operating leases   20,085  
Right-of-use assets obtained in exchange for lease obligations [Abstract]      
Operating leases   $ 22,519  
Minimum [Member]      
Operating Leases [Abstract]      
Remaining lease term   1 year  
Maximum [Member]      
Operating Leases [Abstract]      
Remaining lease term   14 years  
Lease term extension option 20 years 20 years