|
Other Intangible Assets - Narrative (Detail) (USD $)
|
3 Months Ended |
12 Months Ended |
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|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2011
|
Dec. 31, 2014
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| Acquired Finite-Lived Intangible Assets [Line Items] |
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|
|
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| Other intangible assets cost |
|
|
$ 32,900,000 |
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| Accumulated amortization |
19,745,000 |
|
|
18,836,000 |
| Amortization of other intangible assets |
900,000 |
1,100,000 |
|
|
| Intangible asset, weighted average amortization period |
7 years |
|
|
|
| Intangible assets |
13,155,000 |
|
|
14,064,000 |
| Customer Relationships [Member] |
|
|
|
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
|
|
|
| Accumulated amortization |
19,029,000 |
|
|
18,167,000 |
| Intangible assets |
11,071,000 |
|
|
11,933,000 |
| Tradename [Member] |
|
|
|
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
|
|
|
| Accumulated amortization |
716,000 |
|
|
669,000 |
| Intangible assets |
$ 2,084,000 |
|
|
$ 2,131,000 |
| Maximum | Neighborhood Holdings Inc [Member] | Customer Relationships [Member] |
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|
|
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| Acquired Finite-Lived Intangible Assets [Line Items] |
|
|
|
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| Estimated useful life |
10 years |
|
|
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| Maximum | Neighborhood Holdings Inc [Member] | Tradename [Member] |
|
|
|
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| Acquired Finite-Lived Intangible Assets [Line Items] |
|
|
|
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| Estimated useful life |
15 years |
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