XML 125 R108.htm IDEA: XBRL DOCUMENT v3.20.4
Other Comprehensive Income (Loss) - Details about Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net (loss) gain on securities transactions $ 97,666 $ 102,861 $ 104,240
Tax expense (19,924) (21,016) (21,805)
Other operating expense (45,791) (46,249) (50,921)
Net Income Attributable to Tompkins Financial Corporation 77,588 81,718 $ 82,308
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Unrealized gains and losses on available-for-sale securities      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net (loss) gain on securities transactions 430 616  
Tax expense (106) (151)  
Net Income Attributable to Tompkins Financial Corporation 324 465  
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Net retirement plan actuarial gain      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Other operating expense (2,366) (1,677)  
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Net retirement plan prior service credit      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Other operating expense (214) (32)  
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Employee benefit plans      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net (loss) gain on securities transactions (2,580) (1,709)  
Tax expense 632 419  
Net Income Attributable to Tompkins Financial Corporation $ (1,948) $ (1,290)