Future Minimum Lease Payments under Operating and Capital Leases (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Operating Leases
2016	$ 4,973
2017	3,536
2018	2,723
2019	1,735
2020	154
Thereafter	5,361
Total minimum lease payments	18,482
Capital Leases
2016	1,498	[1]
2017	1,398	[1]
2018	968	[1]
2019	935	[1]
2020	907	[1]
Thereafter	8,139	[1]
Total minimum lease payments	$ 13,845	[1]

[1] Capital lease payments include interest payments of $3.8 million.