Redeemable Financial Instruments (Schedule Of Redeemable Financial Instruments) (Details) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 29, 2017 |
Jan. 31, 2017 |
Oct. 03, 2016 |
|---|---|---|---|---|---|
| Related Party Transaction [Line Items] | |||||
| Outstanding balance | $ 16,732 | $ 16,732 | $ 1,000 | ||
| Accrued Interest | 372 | 398 | |||
| JKD Capital Partners I, LTD [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Outstanding balance | 6,732 | 6,732 | $ 1,000 | $ 6,000 | |
| Accrued Interest | 331 | 367 | |||
| DGC Family Fintech Trust/CBF [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Outstanding balance | 10,000 | 10,000 | $ 10,000 | ||
| Accrued Interest | $ 41 | $ 31 |