Summary Of Significant Accounting Policies (Accounting Changes To Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
---|---|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||
Equity | $ 179,863 | $ 175,128 | $ 179,863 | $ 175,128 | $ 181,618 | $ 146,890 |
Net income | $ 1,259 | 1,479 | $ 9,493 | 23,611 | ||
Previously Reported [Member] | ||||||
Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||
Equity | 174,795 | 174,795 | 181,241 | 146,615 | ||
Net income | 1,458 | 23,553 | ||||
Adjustments [Member] | ||||||
Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||
Equity | 333 | 333 | $ 377 | $ 275 | ||
Net income | $ 21 | $ 58 |