Fair Value Measurements (Schedule Of Fair Value Carried At Cost And Measured On A Nonrecurring Basis) (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 144,677	$ 174,994
Subordinated debt	27,880	27,867
Financial liabilities total	172,557	202,861
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	144,677	174,994
Subordinated debt	27,880	27,867
Financial liabilities total	172,557	202,861
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	144,725	174,800
Subordinated debt	27,913	27,913
Financial liabilities total	$ 172,638	$ 202,713