Intangibles - Narrative (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Amortization of Intangible Assets |
$ 1,629,000
|
$ 1,907,000
|
$ 20,358,000
|
| Institutional Products Group |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Impairment of finite-lived intangible assets |
|
|
13,041,000
|
| Institutional Products Group | Customer lists |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Impairment of finite-lived intangible assets |
|
|
12,826,000
|
| Institutional Products Group | Noncompete Agreements |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Impairment of finite-lived intangible assets |
|
|
$ 215,000
|
| Trademarks |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Historical Cost |
$ 24,091,000
|
$ 24,524,000
|
|
| Minimum |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Useful life of intangible assets |
1 year
|
|
|
| Maximum |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Useful life of intangible assets |
10 years
|
|
|
| Weighted Average |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Useful life of intangible assets |
4 years
|
|
|