Leases, User Charges and Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Future Payments Due

Future Payments Due:

				Operating
				Leases and
	Capital			Other
	Lease			Commitments		Total
2017	$	3,167		$	8,998	$	12,165
2018		3,167			7,311		10,478
2019		3,167			5,502		8,669
2020		3,176			5,274		8,450
2021		1,840			5,402		7,242
2022 and thereafter		-			7,489		7,489
	$	14,517		$	39,976	$	54,493
Less: Imputed interest		(1,244	)
Net capital lease liability	$	13,273