Acquisitions (Schedule of Assets Acquired and Liabilities Assumed, Harvest) (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Apr. 07, 2021 |
|---|---|---|---|---|
| Business Acquisition [Line Items] | ||||
| Goodwill | $ 806,563 | $ 998,414 | $ 925,154 | |
| 401kplans.com acquisition | ||||
| Business Acquisition [Line Items] | ||||
| Tangible assets acquired, net of cash received | $ 5,310 | |||
| Identifiable intangible assets | 9,500 | |||
| Goodwill | 18,526 | |||
| Total assets acquired | 33,336 | |||
| Total liabilities assumed | (542) | |||
| Total net assets acquired, net of cash received | $ 32,794 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of assets acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liabilities assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|