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Interest Expense (Tables) | 3 Months Ended
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Mar. 31, 2020
Interest Expense [Abstract] |
Schedule of Interest Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31,
​ |  | 2020 |  | 2019
​ |  | (In thousands)
Interest expense before capitalized interest | ​ | $ | 16,701 | ​ | $ | 22,877
Amortization of deferred financing costs | ​ |  | 619 | ​ |  | 1,164
Net unrealized (gain) loss on derivative financial instruments not designated as cash flow hedges | ​ |  | (47) | ​ |  | 48
Capitalized interest | ​ |  | (5,268) | ​ |  | (6,915)
Interest expense | ​ | $ | 12,005 | ​ | $ | 17,174

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- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
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