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Notes Payable, Revolving Credit Facility, Interest and Amortization of Deferred Debt Costs (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Scheduled Maturities of Debt, Including Scheduled Principal Amortization | At September 30, 2017, the scheduled maturities of debt, including scheduled principal amortization, for years ending December 31, were as follows:
(In thousands) | Balloon Payments |  | Scheduled Principal Amortization |  | Total
October 1 through December 31, 2017 | $ | — |  |  | $ | 7,386 |  |  | $ | 7,386 |
2018 | 130,799 |  | (a) | 29,015 |  |  | 159,814 |
2019 | 60,793 |  |  | 27,769 |  |  | 88,562 |
2020 | 61,163 |  |  | 25,182 |  |  | 86,345 |
2021 | 11,012 |  |  | 24,836 |  |  | 35,848 |
2022 | 36,502 |  |  | 25,277 |  |  | 61,779 |
Thereafter | 405,693 |  |  | 123,478 |  |  | 529,171 |
Principal amount | $ | 705,962 |  |  | $ | 262,943 |  |  | 968,905 |
Unamortized deferred debt costs |  |  |  |  | 6,759 |
Net |  |  |  |  | $ | 962,146 |
(a) Includes $89.0 million outstanding under the line of credit.
Interest Expense and Amortization of Deferred Debt Costs | Interest expense and amortization of deferred debt costs for the three and nine months ended September 30, 2017 and 2016, were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2017 |  | 2016 |  | 2017 |  | 2016
Interest incurred | $ | 12,370 |  |  | $ | 11,691 |  |  | $ | 37,037 |  |  | $ | 35,027 |
Amortization of deferred debt costs | 351 |  |  | 339 |  |  | 1,043 |  |  | 1,003 |
Capitalized interest | (900 | ) |  | (506 | ) |  | (2,495 | ) |  | (1,762 | )
| $ | 11,821 |  |  | $ | 11,524 |  |  | $ | 35,585 |  |  | $ | 34,268 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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