Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 18,062	$ 13,008
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,009	1,077
Provision for loan losses	460	5,209
Deferred income taxes	2,803	3,257
Net amortization of debt securities	1,661	1,910
Amortization of intangible assets	569	651
Gain on sale of investment securities	(23)	0
Mortgage loans originated for sale	(69,434)	(31,543)
Proceeds from mortgage loans sold	68,252	28,184
Gain on sale of other real estate	(29)	(1,400)
Gain on state tax credits, net	(748)	(704)
Excess tax benefit of share-based compensation	(153)	(101)
Share-based compensation	1,738	1,524
Valuation adjustment on other real estate	82	590
Net accretion of loan discount and indemnification asset	(3,382)	(5,818)
Changes in:
Accrued interest receivable	36	294
Accrued interest payable	(23)	(95)
Other assets	(2,601)	(8,250)
Other liabilities	196	(2,754)
Net cash provided by operating activities	18,475	5,039
Cash flows from investing activities:
Net increase in loans	(99,282)	(87,491)
Net cash proceeds received from FDIC loss share receivable	1,574	4,212
Proceeds from the sale of securities, available for sale	41,069	0
Proceeds from the paydown or maturity of securities, available for sale	25,813	22,519
Proceeds from the paydown or maturity of securities, held to maturity	1,078	0
Proceeds from the redemption of other investments	25,746	8,409
Proceeds from the sale of state tax credits held for sale	4,489	3,639
Proceeds from the sale of other real estate	3,723	8,754
Payments for the purchase/origination of:
Available for sale debt and equity securities	(74,069)	(29,853)
Other investments	(19,641)	(11,914)
State tax credits held for sale	(3,425)	0
Fixed assets	(983)	(828)
Net cash used by investing activities	(93,908)	(82,553)
Cash flows from financing activities:
Net increase in noninterest-bearing deposit accounts	15,328	21,614
Net increase (decrease) in interest-bearing deposit accounts	184,721	(91,118)
Proceeds from Federal Home Loan Bank advances	531,900	278,600
Repayments of Federal Home Loan Bank advances	(602,900)	(175,000)
Repayments of notes payable	(600)	(4,200)
Net decrease in other borrowings	(50,737)	(37,888)
Cash dividends paid on common stock	(2,252)	(2,086)
Excess tax benefit of share-based compensation	153	101
Issuance of common stock	(1,080)	(649)
Net cash provided (used) by financing activities	74,533	(10,626)
Net decrease in cash and cash equivalents	(900)	(88,140)
Cash and cash equivalents, beginning of period	100,696	210,569
Cash and cash equivalents, end of period	99,796	122,429
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	6,201	7,320
Cash paid during the period for income taxes	6,517	8,498
Noncash transactions:
Transfer to other real estate owned in settlement of loans	5,998	6,158
Sales of other real estate financed	0	1,107
Issuance of common stock from Trust Preferred Securities conversion	$ 0	$ 5,002