|
Significant Classes of Amortizable Intangible Assets by Major Category (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Cost | $ 30,926 | $ 29,286 |
| Accumulated Amortization | (24,442) | (22,817) |
| Net | 6,484 | 6,469 |
|
Customer lists and contracts
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Cost | 16,604 | 15,519 |
| Accumulated Amortization | (12,267) | (11,372) |
| Net | 4,337 | 4,147 |
|
Domain and brand names
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Cost | 8,782 | 8,227 |
| Accumulated Amortization | (6,968) | (6,436) |
| Net | 1,814 | 1,791 |
|
Favorable and assigned leases
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Cost | 1,649 | 1,649 |
| Accumulated Amortization | (1,587) | (1,536) |
| Net | 62 | 113 |
|
Other amortizable intangible assets
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Cost | 3,891 | 3,891 |
| Accumulated Amortization | (3,620) | (3,473) |
| Net | $ 271 | $ 418 |