XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.22.1

Marketable Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
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 March 31, 2022
| Cost Amount |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
Available-for-sale debt securities | $ | 127,804 |  |  | $ | — |  |  | $ | (4,990) |  |  | $ | 122,814 |
SEI-sponsored mutual funds | 6,353 |  |  | 505 |  |  | (21) |  |  | 6,837 |
Equities and other mutual funds | 4,837 |  |  | 229 |  |  | — |  |  | 5,066 |
| $ | 138,994 |  |  | $ | 734 |  |  | $ | (5,011) |  |  | $ | 134,717 |
| At December 31, 2021
| Cost Amount |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
Available-for-sale debt securities | $ | 117,215 |  |  | $ | — |  |  | $ | (80) |  |  | $ | 117,135 |
SEI-sponsored mutual funds | 6,748 |  |  | 463 |  |  | — |  |  | 7,211 |
Equities and other mutual funds | 4,935 |  |  | 260 |  |  | — |  |  | 5,195 |
| $ | 128,898 |  |  | $ | 723 |  |  | $ | (80) |  |  | $ | 129,541 |

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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