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Leases - Supplemental Balance Sheet Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Assets    
Operating lease right-of-use assets $ 214,809 $ 203,834
Finance lease assets 44,190 41,647
Total leased assets 258,999 245,481
Current    
Operating 72,285 73,422
Finance 12,381 14,543
Noncurrent    
Operating 151,361 137,384
Finance 39,336 32,909
Total lease liabilities $ 275,363 $ 258,258