Commitments, Contingencies and Legal Proceedings - Summary of Minimum Annual Payment Due on Noncancelable Operating Lease (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Leases [Member]
Operating Leased Assets [Line Items]
2015	$ 6,244
2016	3,742
2017	2,256
2018	1,392
2019	394
Thereafter	1
Other [Member]
Operating Leased Assets [Line Items]
2015	71,402
2016	23,818
2017	1,176
2018	536
2019	$ 98

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

+ Details

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

+ References

+ Details

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