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Debt (Tables) | 3 Months Ended
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Mar. 31, 2016
Debt Disclosure [Abstract] |
Debt Instrument Redemption | The Company had the following senior notes outstanding as of March 31, 2016 and December 31, 2015:
Issue Date |  | March 31, 2016 |  |  | December 31, 2015 |  | Interest Rate |  | Maturity Date |  | Issue Price
May 2014 |  | $ | 250,000 |  |  | $ | 250,000 |  |  | 4.40 | % |  | June 2024 |  | 99.883 | %
June 2013 |  | 250,000 |  |  | 250,000 |  |  | 4.25 | % |  | June 2023 |  | 99.026 | %
|  | 500,000 |  |  | 500,000 |  |  |  |  |  |  |
Unamortized discount |  | (1,984 | ) |  | (2,053 | ) |  |  |  |  |  |
Unamortized debt issuance cost |  | (4,281 | ) |  | (4,421 | ) |  |  |  |  |  |
|  | $ | 493,735 |  |  | $ | 493,526 |  |  |  |  |  |  |
Schedule of Line of Credit Facilities | A summary of the significant terms are as follows:
| Maturity Date |  | Current Interest Rate
$400,000 Revolving Credit Facility(1) | August 2019 |  | LIBOR + 1.00%
$250,000 Term Loan(2)(4) | August 2020 |  | LIBOR + 1.10%
$255,000 Term Loan(3)(4) | January 2021 |  | LIBOR + 1.10%
(1) | Maturity date can be extended to August 2020 at the Company's option. The interest rate ranges from LIBOR plus 0.85% to 1.55%. At March 31, 2016, the revolving credit facility had $147,000 outstanding and availability of $253,000, subject to covenant compliance.
(2) | The interest rate ranges from LIBOR plus 0.90% to 1.75%. The Company previously entered into aggregate interest-rate swap agreements to fix the LIBOR component at a weighted-average rate of 1.09% through February 2018 on the $250,000 of outstanding LIBOR-based borrowings.
(3) | The interest rate ranges from LIBOR plus 0.90% to 1.75%. The Company previously entered into aggregate interest-rate swap agreements to fix the LIBOR component at a weighted-average rate of 1.42% through January 2019 on the $255,000 of outstanding LIBOR-based borrowings.
(4) | The aggregate unamortized debt issuance costs for the term loans were $4,670 and $4,924 as of March 31, 2016 and December 31, 2015, respectively.
Schedule of Long-term Debt Instruments | Below is a summary of additional disclosures related to the 6.00% Convertible Guaranteed Notes due 2030.
| 6.00% Convertible Guaranteed Notes due 2030
Balance Sheets: | March 31, 2016 |  | December 31, 2015
Principal amount of debt component | $ | 12,400 |  |  | $ | 12,400 |
Unamortized discount | (167 | ) |  | (220 | )
Unamortized debt issuance costs | (41 | ) |  | (54 | )
Carrying amount of debt component | $ | 12,192 |  |  | $ | 12,126 |
Carrying amount of equity component | $ | (34,784 | ) |  | $ | (34,784 | )
Effective interest rate | 8.1 | % |  | 7.8 | %
Period through which discount is being amortized, put date | 01/2017 |  |  | 01/2017 |
Aggregate if-converted value in excess of aggregate principal amount | $ | 4,295 |  |  | $ | 2,863 |
| Three months ended March 31,
Statements of Operations: | 2016 |  | 2015
6.00% Convertible Guaranteed Notes |  |  |
Coupon interest | $ | 186 |  |  | $ | 236 |
Discount amortization | 53 |  |  | 67 |
| $ | 239 |  |  | $ | 303 |
The Company had the following mortgages and notes payable outstanding as of March 31, 2016 and December 31, 2015:
| March 31, 2016 |  | December 31, 2015
Mortgages and notes payable | $ | 933,430 |  |  | $ | 882,952 |
Unamortized debt issuance costs | (11,110 | ) |  | (10,309 | )
| $ | 922,320 |  |  | $ | 872,643 |

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- Definition Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption. + References No definition available. + Details
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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + 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 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 + Details
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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + 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 210.5-02.19(b),22(b)) -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 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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