Quarterly report pursuant to Section 13 or 15(d)

Leases - Supplemental balance sheet disclosures (Details)

v3.19.1
Leases - Supplemental balance sheet disclosures (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Dec. 30, 2018
Leases [Abstract]      
Operating lease assets $ 167,088 $ 170,316 $ 0
Operating lease liability 9,106 8,694 0
Operating lease liability, less current portion 213,245 $ 216,932 $ 0
Operating Lease, Liability $ 222,351