CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flow From Operating Activities:
Net income	$ 13,620	$ 11,865
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses		2,102
Depreciation and amortization	1,493	1,069
Change in deferred taxes	5,778	5,574
Share-based compensation	505	374
Tax benefit from stock options exercised	(30)
Mortgage loans originated for sale	(29,078)	(92,411)
Proceeds from sales of mortgage loans	27,823	88,156
Gains on sales of securities available for sale	(581)	(248)
Change in interest receivable	671	1,021
Change in interest payable	1,421	(493)
Other adjustments	(15,038)	(5,168)
Net cash provided by operating activities	6,584	11,841
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	17,991	(21,964)
Purchases of:
Securities available for sale	(84,844)	(73,470)
Securities held to maturity	(67)
Proceeds from sales of securities available for sale	9,053	21,721
Proceeds from maturities of:
Securities available for sale	13,475	31,542
Securities held to maturity	14,548	23,628
Change in Federal Reserve and Federal Home Loan Bank stock		8
Net change in loans	15,089	16,561
Proceeds from the sale of other real estate owned	2,675	2,536
Other adjustments	(566)	(2,082)
Net cash used in investing activities	(12,646)	(1,520)
Net change in :
Demand and savings deposits	(27,047)	3,062
Certificates of deposit and other time deposits	78,758	(38,637)
Borrowings	150,000	19,985
Repayment of borrowings	(189,832)	(19,931)
Cash dividends on common stock	(1,820)	(875)
Cash dividends on preferred stock		(857)
Stock issued under employee benefit plans	133	155
Stock issued under dividend reinvestment and stock purchase plans	96	63
Stock options exercised	273	16
Tax benefit from stock options exercised	30
Stock redeemed	(1,043)	(474)
Cumulative preferred stock redeemed (SBLF)		(22,696)
Net cash provided (used in) by financing activities	9,548	(60,189)
Net Change in Cash and Cash Equivalents	3,486	(49,868)
Cash and Cash Equivalents, January 1	109,434	101,460
Cash and Cash Equivalents, March 31	112,920	51,592
Additional cash flow information:
Interest paid	3,696	4,773
Income tax paid	1,200	104
Loans transferred to other real estate owned	1,087	3,175
Non-cash investing activities using trade date accounting	$ 2,374	$ 4,489