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Debt - Schedule of Maturities of Long-term Debt (Details) - Mortgages - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Amortization |  |
2016, amortization | $ 3,086 |
2017, amortization | 9,904 |
2018, amortization | 2,880 |
2019, amortization | 2,188 |
2020, amortization | 2,268 |
Thereafter | 9,706 |
Total amortization | 30,032 |
Maturities |  |
2016, maturities | 0 |
2017, maturities | 336,009 |
2018, maturities | 262,210 |
2019, maturities | 250,000 |
2020, maturities | 0 |
Thereafter | 742,675 |
Total maturities | 1,590,894 |
Total long term debt |  |
2016 | 3,086 |
2017 | 345,913 |
2018 | 265,090 |
2019 | 252,188 |
2020 | 2,268 |
Thereafter | 752,381 |
Total | $ 1,620,926 | $ 1,640,145

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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