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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2013
Net capitalized interest | $ 256 | $ 294 |
Common Stock |  |  |
Company's common stock surrendered in exchange for the exercise of stock options (in shares) | 185 | 108 |

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