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Leases - Lease Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Operating lease assets $ 149,570 $ 159,777
Current operating lease liabilities 36,235 35,727
Noncurrent operating lease liabilities 163,594 176,378
Total lease liabilities $ 199,829 $ 212,105