Corporate Structure and Nature of Operations Basis of Presentation (Details) $ / shares in Units, $ in Millions |
3 Months Ended | |
|---|---|---|
|
Dec. 27, 2023
USD ($)
$ / shares
shares
|
Mar. 31, 2026
segment
|
|
| Corporate Structure and Nature of Operations Basis of Presentation | ||
| Issuance of common shares donated to Needham Bank Charitable Foundation (in shares) | shares | 1,708,229 | |
| Number of reportable segments | segment | 1 | |
| Public offering | ||
| Corporate Structure and Nature of Operations Basis of Presentation | ||
| Number of shares sold pursuant to the plan | shares | 40,997,500 | |
| Share price | $ / shares | $ 10 | |
| Net proceeds received upon conversion | $ | $ 400.4 | |
| Donation in cash to Needham Bank Charitable Foundation | $ | $ 2.0 |
| X | ||||||||||
- Definition The cash outflow from amount donated to charitable foundation. 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. No definition available.
|
| X | ||||||||||
- Definition Number of new stock issued during the period for charity. No definition available.
|
| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Cash received on stock transaction after deduction of issuance costs. No definition available.
|
| X | ||||||||||
- Definition Per share or per unit amount of equity securities issued. No definition available.
|
| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|