CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities
Net income	$ 21,806	$ 17,440
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based and non-cash compensation	650	722
Depreciation and amortization	6,494	6,507
Provision for loan losses	6,000	13,000
Provision for deferred income taxes	6,725	7,205
Amortization of security premiums and discounts, net	6,821	7,166
Net security gains	(82)	(575)
Gain on sales of loans, net	(8,944)	(8,924)
Net (gains) losses on disposition of premises and equipment	(796)	72
Net gains on sales of OREO properties	(1)	(248)
Increase in cash surrender value of bank owned life insurance	(915)	(1,399)
Change in assets and liabilities:
Decrease in other assets	9,177	2,830
Decrease in other liabilities	(1,192)	(796)
Decrease in interest payable	(386)	(592)
Decrease in income taxes receivable	228	1,105
Net cash provided by operating activities before activities for loans originated for sale	45,585	43,513
Loans originated for sale	(390,125)	(419,249)
Proceeds from sales of loans	421,572	419,007
Net cash provided by operating activities	77,032	43,271
Cash Flows from Investing Activities
Proceeds from sales of securities classified available for sale	10,229	55,599
Proceeds from maturities of securities classified available for sale	143,258	140,785
Purchase of securities classified available for sale	(78,358)	(330,434)
Purchase of securities held to maturity	(838)
Net increase in loans	(207,063)	(6,117)
Proceeds from disposition of premises and equipment	2,849	5
Proceeds from sale of OREO properties	2,312	9,229
Purchases of premises and equipment	(2,279)	(6,919)
Net cash used in investing activities	(129,890)	(137,852)
Cash Flows from Financing Activities
Net decrease in certificates of deposit	(82,944)	(87,513)
Net (decrease) increase in demand, money market and savings deposits	(17,496)	216,583
Cash dividends paid	(9,662)	(13,120)
Shares surrendered upon vesting of restricted stock units to cover tax obligations	(113)
Principal payments on long-term debt	(7,000)	(12,000)
Net increase in securities sold under agreements to repurchase	17,486	3,886
Net cash (used in) provided by financing activities	(99,729)	107,836
Net (decrease) increase in cash and due from banks	(152,587)	13,255
Cash and due from banks, beginning	351,255	315,053
Cash and due from banks, ending	198,668	328,308
Cash payments for:
Interest	7,136	12,408
Income taxes	3,406	630
Non-cash investing and financing activities:
Other real estate acquired in settlement of loans	1,017	9,015
Dividends accrued	$ 926	$ 924