Fair Value Measurements (Schedule Of Fair Value Carried At Cost And Measured On A Nonrecurring Basis) (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 168,391	$ 148,325
Subordinated debt	27,771	27,832
Financial liabilities total	196,162	176,157
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	168,391	148,325
Subordinated debt	27,771	27,832
Financial liabilities total	196,162	176,157
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	167,345	181,801
Subordinated debt	28,306	28,499
Financial liabilities total	$ 195,651	$ 210,300