Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 32,646	$ 98,399
Interest-earning deposits with other banks	36,523	47,713
Investment securities held-to-maturity (fair value $66,853 and $71,327 at December 31, 2013 and 2012, respectively)	66,003	69,845
Investment securities available-for-sale	336,281	429,734
Loans held for sale	2,267	4,530
Loans and leases held for investment	1,541,484	1,481,862
Less: Reserve for loan and lease losses	(24,494)	(24,746)
Net loans and leases held for investment	1,516,990	1,457,116
Premises and equipment, net	34,129	33,222
Goodwill	57,517	56,238
Other intangibles, net of accumulated amortization and fair value adjustments of $10,300 and $10,475 at December 31, 2013 and 2012, respectively	8,178	6,456
Bank owned life insurance	60,637	61,409
Accrued interest receivable and other assets	40,388	40,179
Total assets	2,191,559	2,304,841
LIABILITIES
Demand deposits, noninterest-bearing	411,714	368,948
Demand deposits, interest-bearing	625,845	638,483
Savings deposits	536,150	526,391
Time deposits	270,789	331,511
Total deposits	1,844,498	1,865,333
Customer repurchase agreements	37,256	96,282
Accrued interest payable and other liabilities	29,299	37,955
Subordinated notes		375
Junior subordinated debt owed to unconsolidated subsidiary trust		20,619
Total liabilities	1,911,053	2,020,564
SHAREHOLDERS' EQUITY
Common stock, $5 par value; 48,000,000 shares authorized at December 31, 2013 and 2012; 18,266,404 shares issued at December 31, 2013 and 2012; and 16,287,812 and 16,770,232 shares outstanding at December 31, 2013 and 2012, respectively	91,332	91,332
Additional paid-in capital	62,417	62,101
Retained earnings	172,602	164,823
Accumulated other comprehensive loss, net of tax benefit	(9,955)	(6,920)
Treasury stock, at cost; 1,978,592 shares and 1,496,172 shares at December 31, 2013 and 2012, respectively	(35,890)	(27,059)
Total shareholders' equity	280,506	284,277
Total liabilities and shareholders' equity	$ 2,191,559	$ 2,304,841