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Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash paid for capitalized interest | $ 13,683 | $ 15,690 | $ 17,549
Early extinguishment of debt charges | 7,538 | 1,531 | 13,308
Income tax refunds | $ 47 | $ 3,452 | $ 1,007

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