CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 38,839	$ 35,394	$ 30,662
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	2,993	2,790	2,279
Provision for loan losses	0	2,549	13,800
(Gain) Loss on sale and write down of other real estate owned	(10)	(99)	387
Amortization of intangible assets	47	52	54
Amortization of loan servicing rights	585	728	594
Net change in loan servicing rights valuation allowance	(42)	(66)	86
Loans originated for sale	(81,671)	(119,647)	(78,425)
Net gain on sales of loans	(2,561)	(2,805)	(1,712)
Proceeds from sale of loans	91,016	115,163	82,161
Net loss on sale of premises and equipment	15	3	17
Net (gain) loss on securities available for sale	(107)	376	167
Impairment on available for sale securities	0	1,026	286
Net securities amortization	8,765	8,209	3,601
Stock based compensation expense	1,962	1,344	1,342
Earnings on life insurance	(1,631)	(955)	(970)
Tax benefit of stock option exercises	(146)	(112)	(138)
Net change:
Interest receivable and other assets	5,860	5,057	(4,468)
Interest payable and other liabilities	(949)	1,585	1,679
Total adjustments	24,126	15,198	20,740
Net cash from operating activities	62,965	50,592	51,402
Cash flows from investing activities:
Proceeds from sale of securities available for sale	29,995	27,855	73,318
Proceeds from maturities, calls and principal paydowns of securities available for sale	112,624	125,107	84,051
Purchases of securities available for sale	(167,450)	(161,621)	(179,296)
Purchase of life insurance	(140)	(20,227)	(134)
Net increase in total loans	(280,717)	(28,728)	(150,115)
Proceeds from sales of land, premises and equipment	1	2	33
Purchases of land, premises and equipment	(7,504)	(2,899)	(6,660)
Proceeds from sales of other real estate owned	671	1,791	2,070
Net cash from investing activities	(312,520)	(58,720)	(176,733)
Cash flows from financing activities:
Net increase/(decrease) in total deposits	(35,688)	169,060	211,671
Net increase/(decrease) in short-term borrowings	139,993	(20,107)	(32,062)
Payments on long-term borrowings	(15,001)	(2)	(1)
Common dividends paid	(9,372)	(13,630)	(10,045)
Preferred dividends paid	(13)	(13)	(13)
Proceeds related to equity incentive plans	903	894	468
Purchase of treasury stock	(399)	(421)	(244)
Net cash from financing activities	80,423	135,781	169,774
Net change in cash and cash equivalents	(169,132)	127,653	44,443
Cash and cash equivalents at beginning of the year	232,237	104,584	60,141
Cash and cash equivalents at end of the year	63,105	232,237	104,584
Cash paid during the year for:
Interest	19,137	27,514	29,215
Income taxes	17,280	12,728	21,529
Supplemental non-cash disclosures:
Loans transferred to other real estate	$ 491	$ 413	$ 958