Fair Value Measurements (Schedule Of Fair Value Carried At Cost And Measured On A Nonrecurring Basis) (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 148,325	$ 172,230
Subordinated debt	27,832	25,025
Financial liabilities total	176,157	197,255
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	148,325	172,230
Subordinated debt	27,832	25,025
Financial liabilities total	176,157	197,255
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	182,387	187,720
Subordinated debt	27,913	27,913
Financial liabilities total	$ 210,300	$ 215,633