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.

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 944
-SubTopic 210
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

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

+ References

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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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No definition available.

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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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Debt - Senior Unsecured Notes (Details) - USD ($) $ in Thousands	Nov. 30, 2016	Sep. 15, 2016	Feb. 01, 2016	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument
Total debt before discount, net				$ 8,109,126
Senior unsecured notes				7,136,336	$ 7,133,538
Unsecured Debt.
Debt Instrument
Total debt before discount, net				7,200,000
Senior unsecured notes				$ 0	$ 0
Senior Unsecured Debt 3.75 Percent Incepted February 1 2016
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage (as a percent)			3.75%
Repayment of senior unsecured notes			$ 500,000
Senior Unsecured Debt 6.30 Percent Incepted September 15 2016
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage (as a percent)		6.30%
Repayment of senior unsecured notes		$ 400,000
Senior Unsecured Debt 6.000 Percent Incepted November 30 2016
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage (as a percent)	6.00%
Repayment of senior unsecured notes	$ 500,000
Senior Unsecured Debt 6.700 Percent Incepted November 30 2016
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage (as a percent)	6.70%
Repayment of senior unsecured notes	$ 600,000