Future Minimum Lease Payments under Operating and Capital Leases (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Operating Leases
2017	$ 4,519
2018	3,202
2019	1,913
2020	240
2021	125
Thereafter	4,267
Total minimum lease payments	14,266
Capital Leases
2017	1,294	[1]
2018	864	[1]
2019	887	[1]
2020	907	[1]
2021	907	[1]
Thereafter	7,232	[1]
Total minimum lease payments	$ 12,091	[1]

[1] Capital lease payments include interest payments of $3.2 million