XML 41 R60.htm IDEA: XBRL DOCUMENT v3.20.1
Employee Benefit Plans (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Defined contribution plan expense recognized $ 20,000 $ 371,000
Pension Benefits [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Expected total contributions for current fiscal year 0  
Employer contributions 0 0
Postretirement Benefit Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions $ 0 $ 118,000