Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies

Schedule of future minimum lease commitments on non-cancelable operating leases

Future minimum lease commitments on non‑cancelable operating leases for the year ended December 31, 2017 are as follows:

	Operating
	Leases
	(in thousands)
2018	$	2,915
2019		1,836
2020		894
2021		420
2022		202
Thereafter		39
	$	6,306

Cash payment schedule associated with lease obligation

The following table relates to the cash payment schedule associated with this lease obligation as of December 31, 2017:

	Lease
	Obligation
	(in thousands)
2018	$	5,471
2019		5,594
2020		5,719
2021		5,848
2022		5,980
Thereafter		92,020
Total lease payments	$	120,632
Less interest portion		(72,918)
Sale leaseback obligation	$	47,714