Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Statement of Cash Flows [Abstract] | |||
Capitalized Interest Costs, Including Allowance for Funds Used During Construction | $ 0 | $ 1,147 | $ 7,107 |
Capitalized interest | 31,196 | 56,980 | 95,294 |
Cash paid for income taxes, net of refunds of $918, $1,575, and $391 for 2017, 2016, and 2015, respectively | 625 | 966 | 6,856 |
Proceeds from Income Tax Refunds | $ 918 | $ 1,575 | $ 391 |