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Notes Payable, Revolving Credit Facility, Interest and Amortization of Deferred Debt Costs (Tables) | 3 Months Ended
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Mar. 31, 2018
Debt Disclosure [Abstract] |
Scheduled Maturities of Debt, Including Scheduled Principal Amortization | At March 31, 2018, 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
April 1 through December 31, 2018 | $ | — |  |  | $ | 22,767 |  |  | $ | 22,767 |
2019 | 60,793 |  |  | 29,299 |  |  | 90,092 |
2020 | 61,163 |  |  | 26,772 |  |  | 87,935 |
2021 | 11,012 |  |  | 26,487 |  |  | 37,499 |
2022 | 51,503 |  | (a) | 26,990 |  |  | 78,493 |
2023 | 84,225 |  |  | 27,290 |  |  | 111,515 |
Thereafter | 427,305 |  |  | 117,401 |  |  | 544,706 |
Principal amount | $ | 696,001 |  |  | $ | 277,006 |  |  | 973,007 |
Unamortized deferred debt costs |  |  |  |  | 9,015 |
Net |  |  |  |  | $ | 963,992 |
(a) Includes $15.0 million outstanding under the revolving credit facility.
Interest Expense and Amortization of Deferred Debt Costs | Interest expense and amortization of deferred debt costs for the three months ended March 31, 2018 and 2017, were as follows:
| Three Months Ended March 31,
(In thousands) | 2018 |  | 2017
Interest incurred | $ | 12,200 |  |  | $ | 12,288 |
Amortization of deferred debt costs | 470 |  |  | 345 |
Capitalized interest | (1,144 | ) |  | (769 | )
| $ | 11,526 |  |  | $ | 11,864 |

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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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