Acquisitions - Summary of Rollforward of Restructuring and Integration Liabilities (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Rollforward of restructuring and integration liabilities |
|
|
|
| Liability balance, beginning of year |
$ 100,000
|
$ 100,000
|
$ 7,400,000
|
| Integration costs |
2,300,000
|
|
400,000
|
| Restructuring and integration costs |
8,678,000
|
742,000
|
6,205,000
|
| Settlement of liabilities |
(5,800,000)
|
(700,000)
|
(13,500,000)
|
| Liability balance, end of year |
3,000,000
|
100,000
|
100,000
|
| Accrued expenses |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Liability balance, beginning of year |
100,000
|
100,000
|
|
| Liability balance, end of year |
2,900,000
|
100,000
|
100,000
|
| Other liabilities |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Liability balance, end of year |
100,000
|
|
|
| USAA AMCO |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Integration costs |
8,700,000
|
0
|
0
|
| Severance expense |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Severance expense |
|
$ 700,000
|
300,000
|
| Severance expense | USAA AMCO |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Severance expense |
6,200,000
|
|
|
| Severance expense | RS Investments |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Severance expense |
|
|
500,000
|
| Contract termination expense | USAA AMCO |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Severance expense |
$ 200,000
|
|
|
| Contract termination expense | RS Investments |
|
|
|
| Rollforward of restructuring and integration liabilities |
|
|
|
| Severance expense |
|
|
$ 5,000,000
|