Converted Term Loan, Term

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- Definition

Debt Instrument, Margin

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- Definition

Debt Instrument, Unamortized Discount (Premium) and Deferred Financing Costs, Net

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-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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-Article 5

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-Name Regulation S-X (SX)
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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Conversion Rate
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-Name Accounting Standards Codification
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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Maximum contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Allowance for Funds Used during Construction
-URI http://asc.fasb.org/extlink&oid=6504829

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Regulation S-X (SX)
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-Section 02
-Paragraph 20, 22
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Debt Obligations, net (Schedule of Debt) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Total debt obligations	$ 4,142,142		$ 4,150,389
Debt discounts and deferred financing costs, net	(31,412)		(31,566)
Total debt obligations, net	4,110,730		4,118,823
Interest costs capitalized	1,400	$ 1,500
2012 Tranche A-2 Facility
Debt Instrument [Line Items]
Total debt obligations	$ 325,123		339,717
Stated Interest Rates	7.00%
Variable interest rate, basis	LIBOR
Variable interest rate, spread	5.75%
2012 Tranche A-2 Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread	1.25%
2015 Revolving Credit Facility
Debt Instrument [Line Items]
Total debt obligations	$ 245,000		250,000
Converted term loan, term	1 year
2015 Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread	1.00%
2015 Revolving Credit Facility \| Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Variable interest rate, spread	0.50%
2015 Revolving Credit Facility \| Minimum \| Interest Rate Category One
Debt Instrument [Line Items]
Debt instrument, margin	1.25%
2015 Revolving Credit Facility \| Minimum \| Interest Rate Category Two
Debt Instrument [Line Items]
Debt instrument, margin	2.25%
2015 Revolving Credit Facility \| Maximum \| Interest Rate Category One
Debt Instrument [Line Items]
Debt instrument, margin	1.75%
2015 Revolving Credit Facility \| Maximum \| Interest Rate Category Two
Debt Instrument [Line Items]
Debt instrument, margin	2.75%
Term loans collateralized by net lease assets
Debt Instrument [Line Items]
Total debt obligations	$ 237,297		$ 239,547
Stated interest rate, minimum	4.851%
Stated interest rate, maximum	7.26%
Weighted average interest rate	5.20%
Term loans collateralized by net lease assets \| London Interbank Offered Rate (LIBOR) \| Property One
Debt Instrument [Line Items]
Variable interest rate, spread	2.00%		2.00%
Total secured credit facilities and term loans
Debt Instrument [Line Items]
Total debt obligations	$ 807,420		$ 829,264
5.875% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 0		261,403
Stated Interest Rates	5.875%
3.875% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 265,000		265,000
Stated Interest Rates	3.875%
3.00% senior convertible notes
Debt Instrument [Line Items]
Total debt obligations	$ 200,000		200,000
Stated Interest Rates	3.00%
Convertible debt conversion ratio	0.085
Convertible debt conversion price	$ 11.77
1.50% senior convertible notes
Debt Instrument [Line Items]
Total debt obligations	$ 200,000		200,000
Stated Interest Rates	1.50%
Convertible debt conversion ratio	0.0578
Convertible debt conversion price	$ 17.29
5.85% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 99,722		99,722
Stated Interest Rates	5.85%
9.00% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 275,000		275,000
Stated Interest Rates	9.00%
4.00% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 550,000		550,000
Stated Interest Rates	4.00%
7.125% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 300,000		300,000
Stated Interest Rates	7.125%
4.875% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 300,000		300,000
Stated Interest Rates	4.875%
5.00% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 770,000		770,000
Stated Interest Rates	5.00%
6.50% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 275,000		0
Stated Interest Rates	6.50%
Unsecured Notes
Debt Instrument [Line Items]
Total debt obligations	$ 3,234,722		3,221,125
Other debt obligations
Debt Instrument [Line Items]
Total debt obligations	$ 100,000		$ 100,000
Variable interest rate, basis	LIBOR
Variable interest rate, spread	1.50%