XML 58 R46.htm IDEA: XBRL DOCUMENT v3.10.0.1
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