Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net income	$ 7,693	$ 5,446
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	4,100	5,450
Provision for depreciation and amortization	2,646	3,045
Deferred income taxes benefit	(564)	(106)
Amortization of securities premiums and accretion of discounts (net)	602	826
Losses (gains) on sales of available for sales securities (net)	357	(664)
Gains on sales/calls of held to maturity securities	(379)	(332)
Other-than-temporary impairment losses on investment securities	0	649
Proceeds from sales of other loans originated for sale	30,196	31,130
Loans originated for sale	(21,510)	(35,349)
Gains on sales of loans originated for sale	(663)	(601)
Loss on write-down on foreclosed real estate	15	187
Losses on sales of foreclosed real estate (net)	57	741
(Gains) losses on disposal of premises and equipment (net)	116	(14)
Stock-based compensation	499	423
Amortization of deferred loan origination fees and costs (net)	1,349	1,359
(Increase) decrease in other assets	(1,216)	1,285
Increase (decrease) in other liabilities	1,181	(1,090)
Net cash provided by operating activities	24,479	12,385
Securities available for sale:
Proceeds from principal repayments, calls and maturities	87,792	69,601
Proceeds from sales	76,262	249,323
Purchases	(157,777)	(307,800)
Securities held to maturity:
Proceeds from principal repayments, calls and maturities	57,767	121,734
Proceeds from sales	13,600	4,822
Purchases	(20,000)	(120,974)
Proceeds from sales of foreclosed real estate	542	3,354
Increase in loans receivable (net)	(110,455)	(59,779)
(Purchase) redemption of restricted investment in bank stock (net)	(8,369)	1,632
Proceeds from sale of premises and equipment	66	14
Purchases of premises and equipment	(1,828)	(2,725)
Net cash used by investing activities	(62,400)	(40,798)
Financing Activities
(Decrease) increase in demand, interest checking, money market, and savings deposits (net)	(57,505)	23,947
Decrease in time and other noncore deposits (net)	(5,027)	(9,606)
Increase in short-term borrowings (net)	116,800	7,250
Repayment of long-term borrowings	(25,000)	0
Proceeds from common stock options exercised	72	0
Proceeds from dividend reinvestment and common stock purchase plan	43	35
Tax benefit on exercise of stock options	7	0
Cash dividends on preferred stock	(40)	(40)
Net cash provided by financing activities	29,350	21,586
Decrease in cash and cash equivalents	(8,571)	(6,827)
Cash and cash equivalents at beginning of year	56,582	55,073
Cash and cash equivalents at end of period	48,011	48,246
Supplemental disclosure of cash flow information:
Cash paid for interest on deposits and borrowings	3,924	5,505
Cash paid for income taxes	3,925	2,450
Supplemental schedule of noncash activities:
Transfer of loans to foreclosed assets	$ 2,693	$ 1,421