XML 123 R106.htm IDEA: XBRL DOCUMENT v3.20.4
Other Comprehensive Income (Loss) - Tax Effect Allocated to Each Component of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Before-Tax Amount      
Other Comprehensive Income, Net unrealized losses $ 15,222 $ 25,961 $ (15,813)
Tax (Expense) Benefit      
Other Comprehensive Income, Net unrealized losses (3,732) (6,360) 3,879
Net of Tax      
Unrealized gains on HTM securities transferred to AFS securities 0 2,852 0
Other comprehensive income (loss) 11,490 19,601 (11,934)
Available-for-sale securities      
Before-Tax Amount      
Other comprehensive gain (loss), before reclassifications 22,381 33,431 (14,550)
Unrealized gains on HTM securities transferred to AFS securities   3,777  
Reclassification adjustment (430) (616) 440
Other Comprehensive Income, Net unrealized losses 21,951 36,592 (14,110)
Tax (Expense) Benefit      
Other comprehensive gain (loss), before reclassifications (5,487) (8,190) 3,569
Unrealized gains on HTM securities transferred to AFS securities   (925)  
Reclassification adjustment 106 151 (108)
Other Comprehensive Income, Net unrealized losses (5,381) (8,964) 3,461
Net of Tax      
Other comprehensive gain (loss), before reclassifications 16,894 25,241 (10,981)
Unrealized gains on HTM securities transferred to AFS securities   2,852  
Reclassification adjustment (324) (465) 332
Other comprehensive income (loss) 16,570 27,628 (10,649)
Net retirement plan actuarial (loss) gain      
Before-Tax Amount      
Other comprehensive gain (loss), before reclassifications (9,309) (10,122) (3,437)
Reclassification adjustment 2,366 1,677 1,719
Tax (Expense) Benefit      
Other comprehensive gain (loss), before reclassifications 2,281 2,480 843
Reclassification adjustment (580) (411) (421)
Net of Tax      
Other comprehensive gain (loss), before reclassifications (7,028) (7,642) (2,594)
Reclassification adjustment 1,786 1,266 1,298
Gain due to curtailment      
Before-Tax Amount      
Other comprehensive gain (loss), before reclassifications   (399)  
Tax (Expense) Benefit      
Other comprehensive gain (loss), before reclassifications   97  
Net of Tax      
Other comprehensive gain (loss), before reclassifications   (302)  
Net retirement plan prior service credit      
Before-Tax Amount      
Other comprehensive gain (loss), before reclassifications   (1,819)  
Reclassification adjustment 214 32 15
Tax (Expense) Benefit      
Other comprehensive gain (loss), before reclassifications   446  
Reclassification adjustment (52) (8) (4)
Net of Tax      
Other comprehensive gain (loss), before reclassifications   (1,373)  
Reclassification adjustment 162 24 11
Employee benefit plans      
Before-Tax Amount      
Other Comprehensive Income, Net unrealized losses (6,729) (10,631) (1,703)
Tax (Expense) Benefit      
Other Comprehensive Income, Net unrealized losses 1,649 2,604 418
Net of Tax      
Other comprehensive income (loss) $ (5,080) $ (8,027) $ (1,285)