XML 105 R91.htm IDEA: XBRL DOCUMENT v3.19.1
Benefit Plans (Schedule Of Amount Recognized In Balance Sheet) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets $ 16,549 $ 17,192 $ 17,062 $ 18,301
Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 16,549 17,192    
Cash and Cash Equivalents [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 350 399    
Equity Securities [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 3,604 4,158    
Corporate Debt Securities [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 2,416 3,108    
Municipal Securities [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 6,052 6,556    
Investment Fund-Debt [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 1,409 1,570    
Investment Fund-Equity [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 1,112      
Cash Value Of Life Insurance [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 25 25    
Deposit In Immediate Participation Guarantee Contract [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 934 683    
Other Defined Benefit Plan Assets [Member] | Fair Value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 647 693    
Level 1 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 6,127 6,953    
Level 1 [Member] | Cash and Cash Equivalents [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 350 399    
Level 1 [Member] | Equity Securities [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 3,604 4,158    
Level 1 [Member] | Investment Fund-Debt [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets   1,570    
Level 1 [Member] | Investment Fund-Equity [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 1,112      
Level 1 [Member] | Deposit In Immediate Participation Guarantee Contract [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 934 683    
Level 1 [Member] | Other Defined Benefit Plan Assets [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 127 143    
Level 2 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 10,397 10,214    
Level 2 [Member] | Corporate Debt Securities [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 2,416 3,108    
Level 2 [Member] | Municipal Securities [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 6,052 6,556    
Level 2 [Member] | Investment Fund-Debt [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 1,409      
Level 2 [Member] | Other Defined Benefit Plan Assets [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 520 550    
Level 3 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets 25 25    
Level 3 [Member] | Cash Value Of Life Insurance [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Fair Value of Plan Assets $ 25 $ 25