Fair Value Disclosure (Fair Value, Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total assets accounted for at fair value on a recurring basis	$ 32,275	$ 18,663
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities
Assets:
Equity securities	17,696	18,663
Quoted Prices in Active Markets for Identical Assets (Level 1) | Prepaid profit sharing
Assets:
Equity securities	14,579
Significant Other Observable Inputs (Level 2)
Assets:
Total assets accounted for at fair value on a recurring basis	0	0
Significant Other Observable Inputs (Level 2) | Equity securities
Assets:
Equity securities	0	0
Significant Other Observable Inputs (Level 2) | Prepaid profit sharing
Assets:
Equity securities	0
Significant Unobservable Inputs (Level 3)
Assets:
Total assets accounted for at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3) | Equity securities
Assets:
Equity securities	0	0
Significant Unobservable Inputs (Level 3) | Prepaid profit sharing
Assets:
Equity securities	0
Estimate of Fair Value Measurement
Assets:
Total assets accounted for at fair value on a recurring basis	32,275	18,663
Estimate of Fair Value Measurement | Equity securities
Assets:
Equity securities	17,696	$ 18,663
Estimate of Fair Value Measurement | Prepaid profit sharing
Assets:
Equity securities	$ 14,579