Fair Value Measurements (Details) - Employees' 401(k) Savings and Investment Plan - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Fair Value Measurements
Investments at fair value	$ 36,085,059	$ 34,231,156
Level 1
Fair Value Measurements
Investments at fair value	36,085,059	34,231,156
Mutual Funds
Fair Value Measurements
Investments at fair value	34,127,309	32,481,982
Mutual Funds \| Level 1
Fair Value Measurements
Investments at fair value	34,127,309	32,481,982
Saga Common Stock
Fair Value Measurements
Investments at fair value	1,957,750	1,749,174
Saga Common Stock \| Level 1
Fair Value Measurements
Investments at fair value	$ 1,957,750	$ 1,749,174

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- 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.

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