Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities
Net income	$ 13,168	$ 13,062
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,329	2,554
Depreciation of bank premises and equipment	546	571
Amortization of intangibles	809	812
Amortization of premiums and accretion of discounts, net	130	168
Gains on disposal of fixed assets		(2)
(Gains) losses on sales and calls of securities available for sale, net	4	(20)
Gains on calls of securities held to maturity, net	(6)	(14)
Losses and write-downs on other real estate owned, net	92	29
Increase in cash value of bank-owned life insurance	(497)	(534)
Net change in:
Mortgage loans held for sale	2,179	(392)
Accrued interest receivable	203	13
Other assets	921	269
Accrued interest payable	(42)	(28)
Other liabilities	167	(251)
Net cash provided by operating activities	19,003	16,237
Cash Flows from Investing Activities
Net change interest-bearing deposits	33,821	30,961
Proceeds from calls, principal payments, sales and maturities of securities available for sale	61,135	119,493
Proceeds from calls, principal payments and maturities of securities held to maturity	9,176	24,255
Purchases of securities available for sale	(83,993)	(143,284)
Purchases of securities held to maturity	(13,484)	(42,063)
Net change in restricted stock	275	(22)
Purchases of loan participations	(900)	(2,000)
Collections of loan participations	127	4,656
Loan originations and principal collections, net	113	(9,699)
Proceeds from disposal of other real estate owned	848	1,174
Recoveries on loans charged off	92	76
Additions to bank premises and equipment	(170)	(667)
Net cash provided by (used in) investing activities	7,040	(17,120)
Cash Flows from Financing Activities
Net change in time deposits	(29,164)	(19,092)
Net change in other deposits	5,896	24,142
Cash dividends paid	(3,752)	(3,678)
Stock options exercised		59
Net cash provided by (used in) financing activities	(27,020)	1,431
Net change in cash and due from banks	(977)	548
Cash and due from banks at beginning of period	14,783	11,897
Cash and due from banks at end of period	13,806	12,445
Supplemental Disclosures of Cash Flow Information
Interest paid on deposits and borrowed funds	4,657	6,099
Income taxes paid	3,610	3,937
Supplemental Disclosure of Noncash Activities
Loans charged against the allowance for loan losses	1,680	2,444
Loans transferred to other real estate owned	478	1,608
Unrealized net losses on securities available for sale	$ (20,356)	$ (529)