Fair Value Disclosure (On a Recurring Basis) (Details) - Fair value measurements, recurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Equity securities	$ 14,788	$ 16,070
Assets at fair value	14,788	16,070
Significant Other Observable Inputs (Level 2)
Assets:
Equity securities	0	0
Assets at fair value	0	0
Significant Unobservable Inputs (Level 3)
Assets:
Equity securities	0	0
Assets at fair value	0	0
Total
Assets:
Equity securities	14,788	16,070
Assets at fair value	$ 14,788	$ 16,070