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Property and Equipment, Stated at Lower of Cost or Estimated Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|---|---|---|---|---|
| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | $ 52,209 | $ 49,515 | ||||||
| Accumulated depreciation and amortization | (28,211) | (25,851) | ||||||
| Property and equipment, net | 23,998 | [1] | 23,664 | [1] | 27,861 | [1] | ||
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Land
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 5,582 | 5,579 | ||||||
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Buildings
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 16,365 | 16,103 | ||||||
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Furniture, fixtures and equipment
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 6,295 | 6,204 | ||||||
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Leasehold improvements
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 1,943 | 1,943 | ||||||
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Website development costs and other software
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 10,903 | 9,232 | ||||||
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Studios, computer and telephone equipment
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | 9,356 | 8,689 | ||||||
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Warehouse and distribution equipment
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| Property, Plant and Equipment [Line Items] | ||||||||
| Property and equipment | $ 1,765 | $ 1,765 | ||||||
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