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Goodwill and Intangible Assets (Detail) - (Table 3) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Goodwill [Line Items] |  |  |
2012 (remaining nine months) |  | $ 3,216 |
2013 |  | 3,085 |
2014 |  | 3,014 |
2015 |  | 2,230 |
2016 |  | 1,564 |
Thereafter |  | 8,328 |
Total |  | 21,437 |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 3,045 |  |
Customer Lists [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 41,509 | $ 41,509
Accumulated amortization |  | 21,341 | 17,869
Net carrying amount |  | 20,168 | 23,640
Licensing Agreements [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 5,600 | 5,600
Accumulated amortization |  | 5,600 | 5,600
Net carrying amount |  | 0 | 0
Noncompete Agreements [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 2,440 | 2,440
Accumulated amortization |  | 2,426 | 2,357
Net carrying amount |  | 14 | 83
Contractual Rights [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 4,200 | 4,200
Accumulated amortization |  | 4,200 | 2,008
Net carrying amount |  | 0 | 2,192
Other Intangible Assets [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 14 | 14
Accumulated amortization |  | 14 | 14
Net carrying amount |  | 0 | 0
Total [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 58,353 | 58,353
Accumulated amortization |  | 36,916 | 30,769
Net carrying amount |  | 21,437 | 27,584
Trademarks [Member] |  |  |
Goodwill [Line Items] |  |  |
Cost basis |  | 100,333 | 100,333
Accumulated amortization |  | 0 | 0
Net carrying amount |  | $ 97,288 | $ 97,288

X
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