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Loans Payable (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2016
Aug. 29, 2015
Aug. 29, 2015
Sep. 30, 2016
Interest expense $ (553) $ (460) $ (920) $ (1,549)
Interest capitalized 486 355 671 1,438
Interest income 55 22 46 194
Interest (expense) income, net $ (12) $ (83) $ (203) $ 83