Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income	$ 38,432	$ 34,969
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion and amortization	(3,889)	(7,885)
Provision for loan losses	3,670	4,903
Depreciation of premises and equipment	4,553	4,289
Deferred income tax expense	3,921	4,945
Net periodic employee benefit cost	393	586
Realized investment securities gains	(972)	(93)
Stock-compensation expense	1,210	963
Increase in value of bank-owned life insurance	(2,291)	(2,413)
Loans originated for sale	(4,911)	(20,895)
Proceeds from the sale of loans originated for sale	5,075	25,816
Gain on sale of loans	(131)	(553)
Change in accrued interest receivable	(885)	(22)
Change in other assets	(5,829)	20,734
Change in other liabilities	(3,763)	(6,922)
Net Cash Provided by Operating Activities	34,583	58,422
Investing Activities
Proceeds from sales of securities available-for-sale	1,821	18,398
Proceeds from maturities and calls of securities available-for-sale	37,071	78,671
Proceeds from maturities and calls of securities held-to-maturity	4,124	9,504
Purchases of securities available-for-sale	(17,058)	(42,295)
Purchases of securities held-to-maturity	(10,226)	0
Net increase in loans	(23,454)	(39,643)
Purchases of premises and equipment	(1,085)	(4,663)
Acquisition of Community Financial Corporation, net of cash acquired of $8,888	0	(21,852)
Net Cash Used in Investing Activities	(8,807)	(1,880)
Financing Activities
Net increase in noninterest-bearing deposits	5,263	25,440
Net increase (decrease) in interest-bearing deposits	3,597	(9,360)
Net increase in short-term borrowings	8,317	36,297
Purchases of treasury stock	(19,533)	0
Proceeds from exercise of stock options, net of tax benefit	553	2,766
Dividends paid	(18,357)	(17,058)
Net Cash (Used in) Provided by Financing Activities	(20,160)	38,085
Increase in Cash and Cash Equivalents	5,616	94,627
Cash and cash equivalents at beginning of period	85,876	84,994
Cash and Cash Equivalents at End of Period	$ 91,492	$ 179,621