Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value of Financial Instruments
Debt and preferred equity investments	$ 42,176	$ 132,995
Other investments	168,300	107,000
Carrying Value \| Level 3
Fair Value of Financial Instruments
Debt and preferred equity investments	1,670,020	1,408,804
Fixed rate debt	1,585,106	1,605,001
Variable rate debt	2,150,424	1,288,000
Total	3,735,530	2,893,001
Fair Value \| Level 3
Fair Value of Financial Instruments
Fixed rate debt	1,663,078	1,737,673
Variable rate debt	2,164,673	1,331,177
Total	3,827,751	3,068,850
Fair Value \| Level 3 \| Minimum
Fair Value of Financial Instruments
Debt and preferred equity investments	1,700,000	1,500,000
Fair Value \| Level 3 \| Maximum
Fair Value of Financial Instruments
Debt and preferred equity investments	1,800,000	1,800,000
Participating Financing due March 2016
Fair Value of Financial Instruments
Equity method investment	$ 100,200	$ 100,000

Represents the amount of financing receivables recorded in other assets on the entity's balance sheet.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

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 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

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