Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets:
Cash and due from banks	$ 428,840	$ 472,028
Investment securities available for sale	1,240,288	1,079,381
Investment securities held to maturity, with fair values of: $1,103,827 at March 31, 2014 and $1,112,676 at December 31, 2013	1,110,329	1,132,299
Loans	1,816,319	1,827,744
Allowance for loan losses	(32,109)	(31,693)
Loans, net of allowance for loan losses	1,784,210	1,796,051
Other real estate owned	12,186	13,320
Premises and equipment, net	36,675	37,314
Identifiable intangibles, net	17,452	18,557
Goodwill	121,673	121,673
Other assets	169,389	176,432
Total Assets	4,921,042	4,847,055
Liabilities:
Noninterest bearing deposits	1,778,034	1,740,182
Interest bearing deposits	2,436,749	2,423,599
Total deposits	4,214,783	4,163,781
Short-term borrowed funds	64,382	62,668
Federal Home Loan Bank advances	20,437	20,577
Term repurchase agreement	10,000	10,000
Other liabilities	70,557	47,095
Total Liabilities	4,380,159	4,304,121
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 26,299 at March 31, 2014 and 26,510 at December 31, 2013	383,490	378,946
Deferred compensation	2,711	2,711
Accumulated other comprehensive income	8,856	4,313
Retained earnings	145,826	156,964
Total Shareholders' Equity	540,883	542,934
Total Liabilities and Shareholders' Equity	$ 4,921,042	$ 4,847,055