Debt Instrument, Convertible, Principal Amount Per Conversion Ratio

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- Definition

Sale of Property Nonrecourse Debt Assumed by Other Party

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

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

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

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

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

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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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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.

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Amount, after accumulated amortization, of debt discount.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Weighted average interest rate of debt outstanding.

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Amount of interest capitalized during the period.

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

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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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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					12 Months Ended
	Dec. 31, 2019	Oct. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Nov. 30, 2019	Oct. 31, 2017	Sep. 30, 2017
Debt Instrument [Line Items]
Total debt obligations	$ 3,436,038,000					$ 3,436,038,000	$ 3,661,617,000
Debt discounts and deferred financing costs, net	(48,958,000)					(48,958,000)	(52,531,000)
Total debt obligations, net	$ 3,387,080,000					3,387,080,000	3,609,086,000
Payment for debt extinguishment or debt prepayment cost						20,606,000	4,132,000	$ 14,108,000
Interest costs capitalized						$ 7,500,000	11,300,000	$ 8,500,000
Senior Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						1.00%
5.00% senior notes
Debt Instrument [Line Items]
Stated interest rate (percent)	5.00%					5.00%
4.625% senior notes
Debt Instrument [Line Items]
Payment for debt extinguishment or debt prepayment cost		$ 6,000,000.0
Stated interest rate (percent)	4.625%					4.625%
6.50% senior notes
Debt Instrument [Line Items]
Payment for debt extinguishment or debt prepayment cost		$ 4,500,000
Stated interest rate (percent)	6.50%					6.50%
6.00% senior notes
Debt Instrument [Line Items]
Payment for debt extinguishment or debt prepayment cost	$ 10,100,000
Stated interest rate (percent)	6.00%					6.00%
5.25% senior notes
Debt Instrument [Line Items]
Stated interest rate (percent)	5.25%					5.25%
3.125% senior convertible notes
Debt Instrument [Line Items]
Stated interest rate (percent)	3.125%					3.125%		3.125%
Unsecured 4.75 Senior Notes Due October 2024
Debt Instrument [Line Items]
Stated interest rate (percent)	4.75%					4.75%
4.25% senior notes
Debt Instrument [Line Items]
Stated interest rate (percent)	4.25%					4.25%
Secured credit facilities and mortgages
Debt Instrument [Line Items]
Total debt obligations	$ 1,212,993,000					$ 1,212,993,000	1,449,117,000
Debt discounts and deferred financing costs, net	(7,730,000)					(7,730,000)
Total debt obligations, net	1,205,263,000					1,205,263,000
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility
Debt Instrument [Line Items]
Total debt obligations	0					0	0
Debt instrument, face amount	350,000,000					$ 350,000,000
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						2.25%
Debt instrument term						1 year
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)			2.00%			1.00%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| LIBOR \| Minimum \| Interest Rate Category Two
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						2.00%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)			2.50%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| LIBOR \| Maximum \| Interest Rate Category Two
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						2.50%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)			1.00%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| Base Rate \| Minimum \| Interest Rate Category One
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						1.00%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)			1.50%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| Base Rate \| Maximum \| Interest Rate Category One
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						1.50%
Secured credit facilities and mortgages \| 2015 $350 Million Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						0.50%
Secured credit facilities and mortgages \| Senior Term Loan
Debt Instrument [Line Items]
Total debt obligations	491,875,000					$ 491,875,000	646,750,000
Debt instrument, face amount					$ 650,000,000.0
Secured credit facilities and mortgages \| Senior Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)					2.75%	2.75%
Secured credit facilities and mortgages \| Senior Term Loan \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						1.75%
Secured credit facilities and mortgages \| Senior Term Loan \| Federal Funds Rate
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						0.50%
Secured credit facilities and mortgages \| Mortgages collateralized by net lease assets
Debt Instrument [Line Items]
Total debt obligations	$ 721,118,000					$ 721,118,000	802,367,000
Weighted average interest rate (percent)	4.37%					4.37%
Secured credit facilities and mortgages \| Mortgages collateralized by net lease assets \| Minimum
Debt Instrument [Line Items]
Stated interest rate (percent)	3.31%					3.31%
Secured credit facilities and mortgages \| Mortgages collateralized by net lease assets \| Maximum
Debt Instrument [Line Items]
Stated interest rate (percent)	7.26%					7.26%
Unsecured notes
Debt Instrument [Line Items]
Total debt obligations	$ 2,123,045,000					$ 2,123,045,000	2,112,500,000
Unsecured notes \| 5.00% senior notes
Debt Instrument [Line Items]
Total debt obligations	0					0	375,000,000
Unsecured notes \| 4.625% senior notes
Debt Instrument [Line Items]
Total debt obligations	0					0	400,000,000
Stated interest rate (percent)			4.625%
Debt instrument, face amount			$ 400,000,000.0
Unsecured notes \| 6.50% senior notes
Debt Instrument [Line Items]
Total debt obligations	0					0	275,000,000
Stated interest rate (percent)			6.50%
Debt instrument, face amount			$ 275,000,000.0
Unsecured notes \| 6.00% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 110,545,000					$ 110,545,000	375,000,000
Stated interest rate (percent)	6.00%					6.00%
Unsecured notes \| 5.25% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 400,000,000					$ 400,000,000	400,000,000
Unsecured notes \| 3.125% senior convertible notes
Debt Instrument [Line Items]
Total debt obligations	287,500,000					287,500,000	287,500,000
Total debt obligations, net	$ 268,700,000					$ 268,700,000	$ 262,600,000
Stated interest rate (percent)	3.125%					3.125%	3.125%				3.125%
Convertible debt conversion ratio (in shares per par value)						67.92
Convertible debt conversion ratio principal amount						$ 1,000
Convertible debt conversion price (in dollars per share)	$ 14.72					$ 14.72
Liability component of convertible debt										$ 34,000,000.0	$ 221,800,000
Equity component of convertible debt										3,400,000	$ 22,500,000
Debt instrument, face amount										$ 37,500,000
Unamortized discount	$ 15,500,000					$ 15,500,000	$ 20,500,000
Contractual interest						9,000,000.0	9,000,000.0	$ 2,500,000
Amortization of debt discount						$ 5,000,000.0	$ 4,700,000	$ 1,300,000
Effective interest rate (percent)	5.20%					5.20%	5.20%	5.20%
Unsecured notes \| Unsecured 4.75 Senior Notes Due October 2024
Debt Instrument [Line Items]
Total debt obligations	$ 775,000,000					$ 775,000,000	$ 0
Stated interest rate (percent)			4.75%						4.75%
Debt instrument, face amount			$ 675,000,000.0						$ 100,000,000.0
Effective interest rate (percent)									4.29%
Unsecured notes \| 4.25% senior notes
Debt Instrument [Line Items]
Total debt obligations	$ 550,000,000					$ 550,000,000	0
Stated interest rate (percent)	4.25%					4.25%
Debt instrument, face amount	$ 550,000,000.0					$ 550,000,000.0
Other debt obligations \| Trust preferred securities
Debt Instrument [Line Items]
Total debt obligations	$ 100,000,000					$ 100,000,000	$ 100,000,000
Other debt obligations \| Trust preferred securities \| LIBOR
Debt Instrument [Line Items]
Basis point spread on variable interest rate (percent)						1.50%
Net Lease Asset
Debt Instrument [Line Items]
Non-recourse debt assumed by buyer				$ 228,000,000.0		$ 228,000,000.0