XML 125 R110.htm IDEA: XBRL DOCUMENT v3.10.0.1
Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balances at beginning $ 576,202 $ 549,405 $ 516,466  
reclassification due to adoption of ASU 2018-02 0 (9,958) 0  
Balances at ending 620,871 576,202 549,405  
Available-for-Sale Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balances at beginning (13,005) (7,915) (2,744)  
Other comprehensive loss (10,649) (2,437) (5,171)  
reclassification due to adoption of ASU 2018-02   (2,653)    
Balances at ending (23,589) (13,005) (7,915)  
Employee Benefit Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balances at beginning (38,291) (29,194) (28,257)  
Other comprehensive loss (1,285) (1,792) (937)  
reclassification due to adoption of ASU 2018-02   (7,305)    
Balances at ending (39,576) (38,291) (29,194)  
Accumulated Other Comprehensive Income (loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balances at beginning (51,296) (37,109) (31,001)  
Other comprehensive loss (11,934) (4,229) (6,108)  
reclassification due to adoption of ASU 2018-02   (9,958)    
Balances at ending (63,165) $ (51,296) $ (37,109)  
Accounting Standards Update 2016-01        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Adoption of ASU 2016-01       $ 0
Accounting Standards Update 2016-01 | Available-for-Sale Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Adoption of ASU 2016-01 65      
Accounting Standards Update 2016-01 | Employee Benefit Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Adoption of ASU 2016-01 0      
Accounting Standards Update 2016-01 | Accumulated Other Comprehensive Income (loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Adoption of ASU 2016-01 $ 65     $ 65