Commitments and Contingencies (Future Minimum Lease Payments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 07, 2017
Operating Lease Payments
2020	$ 8,043
2021	7,197
2022	5,940
2023	5,092
2024	4,205
Thereafter	10,780
Total future minimum lease payments	41,257
Capital Lease Payments
2020	675
2021	0
2022	0
2023	0
2024	0
Thereafter	0
Total future minimum lease payments	675
Less: amounts representing interest on capital lease	8
Total future minimum principal lease payments	667	$ 1,900
Total Payments
2020	8,718
2021	7,197
2022	5,940
2023	5,092
2024	4,205
Thereafter	10,780
Total future minimum lease payments	41,932
Total future minimum principal lease payments	$ 41,924

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