Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Minimum future operating lease payments

Table 16.1 shows minimum the future operating lease payments as of December 31, 2017.

	Table	16.1
Minimum future operating lease payments	(in thousands)		Amount
	2018		$	808
	2019		823
	2020		583
	2021		48
	2022 and thereafter		—
	Total		$	2,262