Aggregate Contractual Maturities of Indebtedness by Year (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Extinguishment Of Debt [Line Items]
Total	$ 1,787,974	$ 2,452,567
Recourse Indebtedness
Extinguishment Of Debt [Line Items]
2017	31,000
2018	41,921
2019	86,231
Thereafter	228,027
Total	387,179	514,541
Non-recourse indebtedness
Extinguishment Of Debt [Line Items]
2017	115,293
2018	1,315
2019	1,387
2020	10,102
2021	25,980
Thereafter	1,222,397
Total	$ 1,376,474	$ 1,938,026

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

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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