Annual report pursuant to Section 13 and 15(d)

Accrued Expenses and Other Liabilities - Other Noncurrent Liabilities (Details)

v3.7.0.1
Accrued Expenses and Other Liabilities - Other Noncurrent Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Summary of other noncurrent liabilities    
Straight-line lease liability $ 2,421 $ 2,751
Asset retirement obligations 1,140 1,062
Other 1,295 1,097
Total $ 4,856 $ 4,910