Condensed Parent Company Only Financial Statements (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
ASSETS    
Available-for-sale securities, at fair value $ 1,354,811 $ 1,393,340
Investment in subsidiaries, at equity 2,400 3,400
Total Assets 5,003,039 4,837,197
LIABILITIES    
Trust preferred debentures issued to non-consolidated subsidiary 37,169 43,668
Other liabilities 61,460 76,179
Equity, total 456,487 439,908
Total Liabilities and Equity 5,003,039 4,837,197
Tompkins (the Parent Company)
    
ASSETS    
Cash 7,565 14,135
Available-for-sale securities, at fair value 225 225
Investment in subsidiaries, at equity 486,475 475,359
Other 14,819 13,814
Total Assets 509,084 503,533
LIABILITIES    
Borrowings 14,500 20,000
Trust preferred debentures issued to non-consolidated subsidiary 33,256 39,760
Other liabilities 4,841 3,865
Equity, total 456,487 439,908
Total Liabilities and Equity $ 509,084 $ 503,533