Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Supplemental Cash Flow Information | |||
| Interest paid, net of amounts capitalized | $ 93,590 | $ 90,448 | $ 90,477 |
| Interest capitalized | 0 | 1,632 | 4,852 |
| Income taxes paid | $ 4,650 | $ 3,399 | $ 4,467 |