Schedule of Future Minimum Operating Lease Payments (Details) $ in Thousands	Mar. 31, 2017 USD ($)
Future Minimum Operating Lease Payments [Line Items]
Remainder of 2017	$ 32,416
2018	37,783
2019	36,454
2020	17,184
2021	13,127
2022	10,741
Thereafter	82,230
Total	229,935
Space Lease Agreements [Member]
Future Minimum Operating Lease Payments [Line Items]
Remainder of 2017	22,454
2018	25,391
2019	24,757
2020	5,570
2021	2,114
2022	749
Thereafter	703
Total	81,738
Related Party Leases [Member]
Future Minimum Operating Lease Payments [Line Items]
Remainder of 2017	1,727
2018	2,314
2019	2,326
2020	2,338
2021	2,351
2022	2,368
Thereafter	10,135
Total	23,559
Other Operating Leases [Member]
Future Minimum Operating Lease Payments [Line Items]
Remainder of 2017	8,235
2018	10,078
2019	9,371
2020	9,276
2021	8,662
2022	7,624
Thereafter	71,392
Total	$ 124,638