|
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
1 Months Ended | 16 Months Ended | 6 Months Ended | 0 Months Ended | 0 Months Ended | |||
|---|---|---|---|---|---|---|---|---|
|
Oct. 31, 2011
subsidiary
|
Sep. 30, 2014
|
Dec. 31, 2013
|
Sep. 30, 2014
Compensatory damages
Triad
plaintiffs
|
Sep. 30, 2014
Compensatory damages
Securities America
plaintiffs
claim
|
Oct. 17, 2014
Compensatory damages
Securities America
Subsequent Event
plaintiffs
claim
|
Oct. 17, 2014
Compensatory damages
Securities America
Subsequent Event
plaintiffs
claim
|
Apr. 30, 2013
Compensatory damages
One former client
Securities America
|
|
| Loss Contingencies [Line Items] | ||||||||
| Number of subsidiaries included in law suit | 2 | |||||||
| Damages sought by plaintiff | $ 6,051 | $ 3,000 | $ 2,164 | |||||
| Number of plaintiffs | 7 | 40 | 11 | |||||
| Number of claims | 6 | 5 | ||||||
| Number of individuals with resolved claims | 29 | |||||||
| Accrued liabilities | $ 3,854 | $ 3,291 |