Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 11,308	$ 11,354
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	800	700
Depreciation and amortization	1,526	1,464
Amortization of investment security premiums and accretion of discounts, net	974	1,794
Stock based compensation	141	127
Net losses (gains) on sales of investment securities	12	(422)
Net gains on sale of premises, equipment and other assets	82	(1,083)
Gains on sale of other real estate owned	0	(7)
Equity in losses of real estate limited partnerships, net	811	1,189
Changes in assets and liabilities:
Net change in interest receivable	819	545
Net change in other assets	2,872	(870)
Net change in interest payable	(18)	2,345
Net change in other liabilities	(156)	(12,440)
Net cash provided by operating activities	19,171	4,696
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of investment securities available for sale	53,215	64,336
Proceeds from maturities of investment securities available for sale	87,877	146,762
Proceeds from maturities of investment securities held to maturity	4,073	115
Proceeds from redemption of Federal Home Loan Bank stock	649	485
Purchases of investment securities available for sale	(55,774)	(225,450)
Loan originations in excess of principal payments	(85,240)	(45,366)
Proceeds from sales of loans, net	2,378	0
Proceeds from sale of other assets	0	334
Proceeds from sale of premises and equipment	64	788
Proceeds from sales of other real estate owned	140	505
Real estate limited partnership investments	(102)	(1,299)
Purchases of bank premises and equipment	(2,052)	(2,522)
Net cash provided by (used in) investing activities	5,228	(61,312)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposits	60,166	75,083
Net increase in short-term borrowings	8,200	55,600
Net decrease in securities sold under agreement to repurchase, short-term	(108,030)	(34,531)
Principal payments on long-term debt	(60)	(20,059)
Cash dividends paid	(4,827)	(4,730)
Sale of treasury stock	12	15
Increase in deferred compensation arrangements	186	160
Proceeds from exercise of stock options, net of withholding taxes	0	278
Tax benefit from exercises of stock options	8	20
Net cash (used in) provided by financing activities	(44,345)	71,836
(Decrease) increase in cash and cash equivalents	(19,946)	15,220
Cash and cash equivalents beginning of period	77,228	37,812
Cash and cash equivalents end of period	57,282	53,032
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Total interest payments	3,859	3,110
Total income tax payments	0	4,350
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Distribution of stock under deferred compensation arrangements	450	391
Distribution of treasury stock in lieu of cash dividend	460	518
Non-cash exercise of stock options	181	129
Transfer of loans to other real estate owned	163	140
Transfer of securities from available for sale to held to maturity	144,428	0
Decrease in payable for investments purchased	$ 0	$ (9,461)