Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities:
Net Income	$ 17,973	$ 15,843
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	2,763	3,003
Provision for depreciation and amortization	5,361	4,894
Net gain on sale of investment securities available for sale	(2)	(1,132)
Net gain on sale of residential mortgages	(3,588)	(4,311)
Stock based compensation cost	615	1,019
Amortization and net impairment of mortgage servicing rights	630	800
Net accretion of fair value adjustments	(2,560)	(979)
Amortization of intangible assets	1,978	1,738
Net loss on sale of OREO	194	86
Net increase in cash surrender value of bank owned life insurance	(270)	(331)
Other, net	798	(940)
Loans originated for resale	(113,800)	(132,642)
Proceeds from loans sold	118,633	134,105
Provision (benefit) for deferred income taxes	795	(433)
Change in income taxes payable/receivable	1,143	3,976
Change in accrued interest receivable	252	98
Change in accrued interest payable	(391)	(610)
Net cash provided by operating activities	30,524	24,184
Investing activities:
Purchases of investment securities available for sale	(91,977)	(180,744)
Proceeds from paydowns and maturities of investment securities available for sale	48,369	33,379
Proceeds from sale of investment securities available for sale	532	31,714
Net (purchase of) proceeds from redemptions of FHLB stock	(1,829)	871
Proceeds from calls of investment securities available for sale	31,287	67,692
Net change in other investments	9	(331)
Net portfolio loan and lease originations	(102,172)	(19,809)
Purchases of premises and equipment	(2,458)	(1,890)
Acquisitions, net of cash acquired		(7,845)
Capitalize OREO costs	(485)	(61)
Proceeds from sale of OREO	581	565
Net cash used by investing activities	(118,143)	(76,459)
Financing activities:
Change in deposits	(83,726)	16,440
Change in short-term borrowings	66,185	6,166
Dividends paid	(6,880)	(6,384)
Change in long-term FHLB advances and other borrowings	30,450	7,956
Repayment of subordinated debt		(7,500)
Payment of contingent consideration for business combinations	(1,050)
Tax benefit from exercise and vesting of stock awards	528	107
Net proceeds from sale of treasury stock from deferred compensation plans	329
Purchase of treasury stock	(453)
Proceeds from issuance of common stock	161	2,072
Proceeds from exercise of stock options	2,550	1,363
Net cash provided by financing activities	8,094	20,220
Change in cash and cash equivalents	(79,525)	(32,055)
Cash and cash equivalents at beginning of period	175,686	69,140
Cash and cash equivalents at end of period	96,161	37,085
Cash paid during the year for:
Income taxes	6,703	4,758
Interest	4,418	7,412
Available for sale securities purchased, not settled		5,577
Change in other comprehensive income	(731)	4,168
Change in deferred tax due to change in comprehensive income	(393)	1,458
Transfer of loans to other real estate owned	637	453
Acquisition of noncash assets and liabilities:
Assets acquired		12,078
Liabilities assumed		$ 6,161