Commitments and Contingencies: (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies

Schedule of minimum rental commitments under non-cancelable leases

As of December 31, 2016, minimum rental commitments under non-cancellable operating leases were (in thousands):

	Operating Lease
Year	Obligations
2017	$	2,313
2018		1,746
2019		1,660
2020		1,444
2021		1,253
Thereafter		6,770
Total		15,186