Lease Commitments - Supplemental Balance Sheet (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
Operating lease assets	$ 93,183
Finance lease assets	3,217
Total leased assets	96,400
Operating lease, liability, current	28,793
Finance lease, liability, current	187
Operating lease, liability, noncurrent	67,214
Finance lease, liability, noncurrent	5,063
Total lease liabilities	$ 101,257