Summary of Significant Accounting Policies (Details 3) - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2015
Debt instrument
Deferred financing fees, net	$ 653	$ 4,310
Current portion of notes payable, net	119,607	85,776
Notes payable, less current portion, net	1,302,137	1,010,819
Unsecured term loan #2
Debt instrument
Amount available under the term loan agreement		$ 100,000
Previously Reported Member
Debt instrument
Deferred financing fees, net	8,201
Current portion of notes payable, net	121,328
Notes payable, less current portion, net	1,307,964
Accounting Standards Update 2015-03 Member
Debt instrument
New accounting pronouncement, effect of adoption on deferred financing fees	(7,548)
New accounting pronouncement, effect of adoption on current portion of notes payable	(1,721)
New accounting pronouncement, effect of adoption on notes payable, less current portion	$ (5,827)

Amount of the effect of a change in accounting principle on current portion of notes payable.

No definition available.

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- Definition

Amount of the effect of a change in accounting principle on deferred financing fees.

+ References

No definition available.

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- Definition

Amount of the effect of a change in accounting principle on notes payable, less current portion.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ 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(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ 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

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- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle 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 210.5-02.19,20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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