Mergers and Acquisitions (Tables)

6 Months Ended

Jun. 30, 2013

Business Combinations [Abstract]

Schedule of business acquisition

 The following table summarizes the estimated fair value of the acquired assets and liabilities.

Consideration Paid (in thousands)	August 1, 2012
Tompkins common stock issued	$	82,198
Cash payment for fractional shares		13
Cash payments for VIST Financial employee stock options		1,236
Fair value of VIST Financial employee stock options, converted to Tompkins' common stock options		1,107
Cash payment for VIST Financial TARP, warrants and accrued and unpaid dividends		26,454
	$	111,008
Recognized amounts of identifiable assets acquired and liabilities assumed at estimated fair value
Cash and cash equivalents	$	32,985
Available-for-sale securities		376,298
FHLB stock		4,751
Loans and leases		889,336
Premises and equipment		7,343
Identifiable intangible assets		16,017
Accrued interest receivable and other assets		68,045
Deposits		(1,185,235	)
Borrowings		(138,263	)
Other liabilities		(7,698	)
Total identifiable assets	$	63,579
Goodwill	$	47,429

Schedule of loans acquired

The following is a summary of the loans acquired in the VIST Financial acquisition as of the closing date.

	Acquired Credit Impaired Loans		Acquired Non-Credit Impaired Loans		Total Acquired Loans
Contractually required principal and interest at acquisition	$	159,325	$	1,058,708	$	1,218,033
Contractual cash flows not expected to be collected (non-accretable difference)		57,545		0		57,545
Expected cash flows at acquisition		101,780		1,058,708		1,160,488
Interest component of expected cash flows (accretable difference)		10,008		261,144		271,152
Fair value of acquired loans		91,772		797,564		889,336