XML 31 R33.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Marketable Securities [Abstract] |
Schedule of Available For Sale and Equity Securities | Available For Sale and Equity Securities on the accompanying Consolidated Balance Sheets consist of:
|  | At December 31, 2019
|  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
Available for sale debt securities |  | $ | 104,193 |  |  | $ | 605 |  |  | $ | — |  |  | $ | 104,798 |
SEI-sponsored mutual funds |  | 7,564 |  |  | 125 |  |  | (39 | ) |  | 7,650 |
Equities and other mutual funds |  | 3,637 |  |  | 832 |  |  | — |  |  | 4,469 |
|  | $ | 115,394 |  |  | $ | 1,562 |  |  | $ | (39 | ) |  | $ | 116,917 |
|  | At December 31, 2018
|  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
Available for sale debt securities |  | $ | 103,518 |  |  | $ | — |  |  | $ | (1,835 | ) |  | $ | 101,683 |
SEI-sponsored mutual funds |  | 7,446 |  |  | — |  |  | (788 | ) |  | 6,658 |
Equities and other mutual funds |  | 3,434 |  |  | 126 |  |  | — |  |  | 3,560 |
|  | $ | 114,398 |  |  | $ | 126 |  |  | $ | (2,623 | ) |  | $ | 111,901 |

X
- References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration