Related Party and Party-in-Interest Transactions (Details) - U.S. Group Savings Plan - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Related Party and Party-in-Interest Transactions
Participant Loans	$ 42,305,142	$ 44,961,037
Participants
Related Party and Party-in-Interest Transactions
Participant Loans	42,305,142	44,961,037
Common stock \| Master trust
Related Party and Party-in-Interest Transactions
Purchases	0	0
Sales	3,888,928	4,146,229
Realized gains	311,650	40,279
Dividend income	$ 1,525,324	$ 1,631,140
Total shares	772,199	881,132
Market value of shares	$ 37,420,776	$ 42,496,960

Amount of increase (decrease) in net asset available for benefit from realized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Amount of increase in net asset available for benefit from dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Cost of investment, excluding plan interest in master trust, acquired by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Fair value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Amount of selling price for investment, excluding plan interest in master trust, sold by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

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Amount of unpaid principal plus accrued but unpaid interest for loan from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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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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