CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 21,557	$ 15,627	$ 53,923	$ 26,699
Adjustments reconciling net income to net cash provided by operating activities:
Depreciation			7,041	5,735
Amortization of intangible assets	993	1,321	3,332	2,581
Net amortization of investment securities available for sale			5,086	4,397
Amortization Of Purchased Loan Pools			4,149	0
Net Accretion Of Other Borrowings			(57)	0
Amortization Of Subordinated Deferrable Interest Debentures			1,123	769
Net gains on securities available for sale	0	(115)	(94)	(137)
Stock based compensation expense			1,586	1,140
Net losses on sale or disposal of premises and equipment			112	83
Net write-downs and losses on sale of other real estate owned			1,844	12,193
Provision for loan losses	811	986	2,381	4,711	$ 5,264
Accretion of discount on covered loans			(2,855)	(8,105)
Accretion of discount on purchased non-covered loans			(10,071)	(8,055)
Changes in FDIC loss-share receivable/payable, net of cash payments received			10,277	7,756
Increase in cash surrender value of BOLI			(1,318)	(1,027)
Originations of mortgage loans held for sale			(1,051,812)	(784,548)
Payments received on mortgage loans held for sale			1,167	1,002
Proceeds from sales of mortgage loans held for sale			982,898	747,507
Net gains on sale of mortgage loans held for sale			(41,935)	(30,427)
Originations of SBA loans			(57,462)	(41,116)
Proceeds from sales of SBA loans			21,656	29,381
Net gains on sale of SBA loans			(3,054)	(3,158)
Change attributable to other operating activities			9,833	14,630
Net cash provided by (used in) operating activities			(62,250)	(17,989)
Cash flows from investing activities:
Purchase of securities available for sale			(134,786)	(246,090)
Proceeds from maturities of securities available for sale			93,513	64,390
Proceeds from sales of securities available for sale			53,026	69,208	72,528
Decrease (increase) in other investments, net			(13,050)	1,825
Net increase in loans, excluding purchased non-covered and covered loans			(556,182)	(349,541)
Purchases of non-covered loan pools			(151,481)	(422,956)
Payments received on purchased non-covered loans			158,700	123,311
Payments received on purchased loan pools			115,409	12,884
Payments received on covered loans			27,619	60,930
Purchases of premises and equipment			(8,250)	(11,057)
Proceeds from sales of premises and equipment			207	282
Proceeds from sales of other real estate owned			18,329	33,460
Payments received from FDIC under loss-share agreements			4,770	19,089
Net cash proceeds received (paid) from acquisitions			(7,205)	673,840
Net cash provided by (used in) investing activities			(399,381)	29,575
Cash flows from financing activities:
Net increase (decrease) in deposits			25,448	46,315
Net decrease in securities sold under agreements to repurchase			(20,938)	(63,392)
Proceeds from other borrowings			339,500	0
Repayment of other borrowings			(53,513)	(39,881)
Dividends paid - common stock			(5,096)	(4,829)
Purchase of treasury shares			(1,225)	(732)
Issuance of common stock			0	114,889
Proceeds from exercise of stock options			963	1,006
Net cash provided by (used in) financing activities			285,139	53,376
Net increase (decrease) in cash and cash equivalents			(176,492)	64,962
Cash and cash equivalents at beginning of period			390,563	170,359	170,359
Cash and cash equivalents at end of period	$ 214,071	$ 235,321	214,071	235,321	$ 390,563
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the year for: Interest			13,791	11,106
Cash paid during the year for: Income taxes			30,969	2,739
Loans (excluding purchased non-covered and covered loans) transferred to other real estate owned			2,101	9,838
Purchased non-covered loans transferred to other real estate owned			3,871	2,565
Covered loans transferred to other real estate owned			2,391	6,909
Loans provided for the sales of other real estate owned			1,471	4,996
Change in unrealized gain on securities available for sale, net of tax			7,724	(1,143)
Change in unrealized loss on cash flow hedge (interest rate swap), net of tax			(567)	(669)
Issuance of common stock in acquisitions			$ 72,455	$ 0