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Future Minimum Lease Payments to be Received under Noncancelable Subleases (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014
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Sale Leaseback Transaction [Line Items] |
2015 | $ 17 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear
2016 | 0 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears
2017 | 0 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears
2018 | 0 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears
2019 | 0 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFiveYears
2020 and thereafter | 0 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactionsThereafter
Future Minimum Sublease Rentals, Sale Leaseback Transactions, Total | $ 17 us-gaap_FutureMinimumSubleaseRentalsSaleLeasebackTransactions

X
- Definition Amount of minimum sublease rentals to be received by the seller-lessee for sale-leaseback transactions accounted for using the deposit method or as a financing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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Period Type: | instant

X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the fourth 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the next 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the third 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the second 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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 + Details
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