• Filing Date: 2018-03-07
  • Form Type: 10-K
  • Description: Annual report
v3.8.0.1
Long-Term Debt - Schedule of Interest Expense Related to Long-Term Debt (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Interest Expense, Debt [Abstract]      
Contractual interest $ 10,424 $ 7,315 $ 7,211
Non-cash expense 6,404 3,529 3,543
Capitalized interest (61)    
Total $ 16,767 $ 10,844 $ 10,754