Changes in Capital Accounts, Compensation Cost on Stock Option Awards and on Restricted Common Stock (Details) - $ / shares |
6 Months Ended | ||
|---|---|---|---|
Jan. 01, 2021 |
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Stock Options [Member] | Chief Financial Officer [Member] | |||
| Stock Option Awards [Abstract] | |||
| Stock options granted (in shares) | 8,000 | ||
| Term | 5 years | ||
| Options outstanding (in shares) | 8,000 | ||
| Stock Options [Member] | Chief Financial Officer [Member] | Minimum [Member] | |||
| Stock Option Awards [Abstract] | |||
| Exercise price (in dollars per share) | $ 150 | ||
| Stock Options [Member] | Chief Financial Officer [Member] | Maximum [Member] | |||
| Stock Option Awards [Abstract] | |||
| Exercise price (in dollars per share) | $ 450 | ||
| Restricted Stock [Member] | |||
| Stock Option Awards [Abstract] | |||
| Term | 2030 years | ||
| Number of shares reserved for issuance (in shares) | 31,441 | 31,441 |