Mortgage Loans On Real Estate (Schedule Of Reconciliation On Real Estate) (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2017
USD ($)
| |
| Mortgage Loans on Real Estate [Abstract] | |
| Beginning Balance | |
| New mortgage loan | 44,695 |
| Accrued interest | 1,039 |
| Ending Balance | $ 45,734 |