Accrued and Other Current Liabilities

12 Months Ended

Dec. 31, 2016

Payables and Accruals [Abstract]

Accrued and Other Current Liabilities

(6) ACCRUED AND OTHER CURRENT LIABILITIES

Accrued and other current liabilities as of December 31 consisted of the following:

	2016		2015
	(Thousands of dollars)
Salaries & wages	$	5,949	$	19,955
Incentive compensation		1,576		2,819
Income taxes		587		1,453
Interest		8,057		7,925
Vacation payable		5,700		5,801
Group medical		1,892		1,944
Transportations tax		427		892
Operating lease		769		814
Workers compensation		865		1,047
Other		2,524		2,109
Total accrued liabilities	$	28,346	$	44,759