CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income	$ 22,720	$ 15,683
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,029	3,880
Net OTTI recognized in earnings	0	72
Provision (credit) for loan and lease losses	(2,798)	2,249
Share based compensation expense	920	740
Deferred income tax expense	3,001	1,192
Origination of loans held for sale	(170,523)	(122,996)
Proceeds from sales of loans held for sale	180,688	124,489
Gains on sales of loans held for sale	(3,049)	(1,979)
Loss on sales of other real estate owned	1,131	701
Investment securities gains	(118)	(163)
Gains on sales of premises and equipment	0	(88)
Net increase in accrued interest receivable	(679)	(558)
Net decrease in other assets	4,581	487
Net increase (decrease) in accrued expenses and other liabilities	(1,094)	2,269
Other - net	2,352	3,850
Net cash provided by operating activities	41,161	29,828
Investing activities:
Purchases of other equity securities	(3,676)	(1,382)
Purchases of investments held-to-maturity	(20,666)	(47,916)
Purchases of investments available-for-sale	(144,147)	(73,733)
Net proceeds from redemption of Federal Home Loan Bank of Atlanta stock	0	3,224
Proceeds from sales of investment available-for-sale	0	28,519
Proceeds from maturities, calls and principal payments of investments held-to-maturity	9,714	61,507
Proceeds from maturities, calls and principal payments of investments available-for-sale	105,056	186,353
Net increase in loans and leases	(77,103)	(245,594)
Proceeds from the sales of other real estate owned	3,094	2,402
Acquisition of business activity, net of cash acquired	0	(849)
Expenditures for premises and equipment	(920)	(2,946)
Net cash used in investing activities	(128,648)	(90,415)
Financing activities:
Net increase in deposits	13,616	195,535
Net decrease in retail repurchase agreements and federal funds purchased	(32,198)	(78,834)
Proceeds from advances from FHLB	435,000	0
Repayment of advances from FHLB	(300,058)	(175)
Proceeds from issuance of common stock	(219)	0
Remittances due to vesting of restricted stock	0	(136)
Tax benefits associated with shared based compensation	0	74
Dividends paid	(7,553)	(5,358)
Net cash provided by financing activities	108,588	111,106
Net increase in cash and cash equivalents	21,101	50,519
Cash and cash equivalents at beginning of period	86,406	72,314
Cash and cash equivalents at end of period	107,507	122,833
Supplemental Disclosures:
Interest payments	9,968	11,413
Income tax payments	8,721	4,086
Transfers from loans to other real estate owned	$ 1,629	$ 3,798