Leases - Future Contractual Minimum Annual Rentals Receivable (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Future Minimum Lease Payments Under Capital Leases And Operating Leases For Continuing Operations [Line Items]
2013	$ 67,940
2014	61,160
2015	60,572
2016	60,624
2017	59,993
Thereafter	495,195
2013	11,035
2014	11,286
2015	11,462
2016	11,640
2017	11,942
Thereafter	146,506
2013	78,975
2014	72,446
2015	72,034
2016	72,264
2017	71,935
Thereafter	$ 641,701

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Total Future Minimum Lease Payments Receivable Current.

+ References

No definition available.

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- Definition

Total Future Minimum Lease Payments Receivable In Five Years.

+ References

No definition available.

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- Definition

Total Future Minimum Lease Payments Receivable In Four Years.

+ References

No definition available.

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- Definition

Total Future Minimum Lease Payments Receivable In Three Years.

+ References

No definition available.

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- Definition

Total Future Minimum Lease Payments Receivable In Two Years.

+ References

No definition available.

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- Definition

Total Future Minimum Lease Payments Receivable Thereafter.

+ References

No definition available.

+ Details

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- Definition

Amount of minimum lease payments to be received by the lessor in the next fiscal year following the latest fiscal year for capital leases.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952072&loc=d3e45377-112738

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of minimum lease payments to be received by the lessor after the fifth fiscal year following the latest fiscal year for capital leases.

+ References

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- Definition

Amount of minimum lease payments to be received by the lessor in the fifth fiscal year following the latest fiscal year for capital leases.

+ References

+ Details

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- Definition

Amount of minimum lease payments to be received by the lessor in the fourth fiscal year following the latest fiscal year for capital leases.

+ References

+ Details

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- Definition

Amount of minimum lease payments to be received by the lessor in the third fiscal year following the latest fiscal year for capital leases.

+ References

+ Details

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- Definition

Amount of minimum lease payments to be received by the lessor in the second fiscal year following the latest fiscal year for capital leases.

+ References

+ Details

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- Definition

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph b(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ 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

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- Definition

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

+ References

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- Definition

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

+ References

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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

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