Debt Instrument, Margin

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

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

+ References

No definition available.

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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.

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- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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- Definition

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

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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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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

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

+ References

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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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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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.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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Debt Obligations, net (Schedule of Debt) (Details) - USD ($)	1 Months Ended			7 Months Ended	12 Months Ended
	Oct. 31, 2017	Sep. 30, 2017	Jan. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2017	Aug. 31, 2016	Jun. 30, 2016	Mar. 31, 2016
Debt Instrument [Line Items]
Total debt obligations				$ 3,418,357,000	$ 3,539,991,000	$ 3,418,357,000
Debt discounts and deferred financing costs, net				(28,449,000)	(63,591,000)	(28,449,000)
Total long-term debt obligations, net				3,389,908,000	3,476,400,000	3,389,908,000
Conversion of senior unsecured convertible notes into common stock					0	9,596,000	$ 0
Interest costs capitalized					8,500,000	5,800,000	$ 5,300,000
2015 $325 Million Secured Revolving Credit Facility
Debt Instrument [Line Items]
Total debt obligations				0	325,000,000	0
Debt instrument, face amount					$ 325,000,000
2015 $325 Million Secured Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					2.50%
Debt instrument term					1 year
2015 $325 Million Secured Revolving Credit Facility \| Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					0.50%
2015 $325 Million Secured Revolving Credit Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					1.00%
Debt instrument, margin					2.25%
2015 $325 Million Secured Revolving Credit Facility \| Minimum \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, margin					1.25%
2015 $325 Million Secured Revolving Credit Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, margin					2.75%
2015 $325 Million Secured Revolving Credit Facility \| Maximum \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, margin					1.75%
2016 Senior Secured Credit Facility
Debt Instrument [Line Items]
Total debt obligations				$ 498,648,000	$ 399,000,000	498,648,000
Debt instrument, face amount		$ 400,000,000.0							$ 500,000,000.0	$ 450,000,000.0
Variable interest rate, spread (as a percent)					1.00%
2016 Senior Secured Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)		3.00%	3.75%	4.50%	3.00%
2016 Senior Secured Credit Facility \| Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					0.50%
2016 Senior Secured Credit Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)		0.75%	1.00%	1.00%	0.75%
2016 Senior Secured Credit Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					2.00%
Mortgages collateralized by net lease assets
Debt Instrument [Line Items]
Total debt obligations				$ 249,987,000	$ 208,491,000	249,987,000
Weighted average interest rate					5.20%
Total secured credit facilities and mortgages
Debt Instrument [Line Items]
Total debt obligations				748,635,000	$ 932,491,000	748,635,000
5.85% senior notes
Debt Instrument [Line Items]
Total debt obligations				99,722,000	$ 0	99,722,000
Stated interest rate (as a percent)					5.85%			5.85%
9.00% senior notes
Debt Instrument [Line Items]
Total debt obligations				275,000,000	$ 0	275,000,000
Stated interest rate (as a percent)					9.00%			9.00%
4.00% senior notes
Debt Instrument [Line Items]
Total debt obligations				550,000,000	$ 0	550,000,000
Stated interest rate (as a percent)		4.00%			4.00%
Make whole premium for extinguishment of debt	$ 5,250,000
7.125% senior notes
Debt Instrument [Line Items]
Total debt obligations				300,000,000	$ 0	300,000,000
Stated interest rate (as a percent)		7.125%			7.125%
Make whole premium for extinguishment of debt	3,660,000
4.875% senior notes
Debt Instrument [Line Items]
Total debt obligations				300,000,000	$ 0	300,000,000
Stated interest rate (as a percent)		4.875%			4.875%
5.00% senior notes
Debt Instrument [Line Items]
Total debt obligations				770,000,000	$ 770,000,000	770,000,000
Stated interest rate (as a percent)					5.00%
4.625% senior notes
Debt Instrument [Line Items]
Total debt obligations				0	$ 400,000,000	0
Debt instrument, face amount		$ 400,000,000.0
Stated interest rate (as a percent)		4.625%			4.625%
6.50% senior notes
Debt Instrument [Line Items]
Total debt obligations				275,000,000	$ 275,000,000	275,000,000
Debt instrument, face amount											$ 275,000,000
Stated interest rate (as a percent)					6.50%						6.50%
6.00% senior notes
Debt Instrument [Line Items]
Total debt obligations				0	$ 375,000,000	0
Debt instrument, face amount								$ 375,000,000.0
Stated interest rate (as a percent)					6.00%			6.00%
5.25% senior notes
Debt Instrument [Line Items]
Total debt obligations				0	$ 400,000,000	0
Stated interest rate (as a percent)		5.25%			5.25%
3.125% senior convertible notes
Debt Instrument [Line Items]
Total debt obligations				0	$ 287,500,000	0
Total long-term debt obligations, net					$ 256,700,000
Debt instrument, face amount	37,500,000	$ 250,000,000.0
Stated interest rate (as a percent)		3.125%			3.125%
Convertible debt conversion ratio					0.06436
Conversion price (in dollars per share)					$ 15.54
Convertible debt	34,000,000	$ 221,800,000
Equity component of convertible debt	$ 3,400,000	$ 22,500,000
Unamortized discount					$ 25,200,000
Contractual interest					2,500,000
Amortization of debt discount					$ 1,300,000
Effective interest rate (as a percent)					5.20%
Trust preferred securities
Debt Instrument [Line Items]
Total debt obligations				100,000,000	$ 100,000,000	100,000,000
Unsecured Senior Notes
Debt Instrument [Line Items]
Total debt obligations				$ 2,569,722,000	$ 2,507,500,000	$ 2,569,722,000
Mortgages collateralized by net lease assets \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)						2.00%
Mortgages collateralized by net lease assets \| Minimum
Debt Instrument [Line Items]
Stated interest rate (as a percent)					4.102%
Mortgages collateralized by net lease assets \| Maximum
Debt Instrument [Line Items]
Stated interest rate (as a percent)					7.26%
2016 Senior Secured Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					3.00%
Trust preferred securities \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable interest rate, spread (as a percent)					1.50%