CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 20,049	$ 1,308	$ 32,366	$ 11,072
Adjustments reconciling net income to net cash provided by operating activities:
Depreciation			4,631	3,950
Amortization of intangible assets	1,319	630	2,339	1,260
Net amortization of investment securities available for sale			3,113	2,669
Net gains on securities available for sale	0	(10)	(94)	(22)
Stock based compensation expense			1,009	760
Net losses on sale or disposal of premises and equipment			574	98
Net write-downs and losses on sale of other real estate owned			1,995	9,779
Provision for loan losses	889	2,656	1,570	3,725	$ 5,264
Accretion of discount on covered loans			(2,247)	(6,251)
Accretion of discount on purchased non-covered loans			(6,597)	(5,388)
Changes in FDIC loss-share receivable/payable, net of cash payments received			4,033	3,855
Increase in cash surrender value of BOLI			(776)	(685)
Originations of mortgage loans held for sale			(641,667)	(472,660)
Payments received on mortgage loans held for sale			644	0
Proceeds from sales of mortgage loans held for sale			613,430	449,570
Net gains on sale of mortgage loans held for sale			(25,942)	(18,244)
Originations of SBA loans			(33,079)	(26,684)
Proceeds from sales of SBA loans			18,067	20,539
Net gains on sale of SBA loans			(1,745)	(2,290)
Change attributable to other operating activities			12,335	7,683
Net cash provided by (used in) operating activities			(16,041)	(17,264)
Cash flows from investing activities:
Purchase of securities available for sale			(90,556)	(230,226)
Proceeds from maturities of securities available for sale			56,262	36,544
Proceeds from sales of securities available for sale			46,731	30,113	72,528
Decrease (increase) in other investments, net			(7,597)	1,825
Net increase in loans, excluding purchased non-covered and covered loans			(336,554)	(257,665)
Purchases of loan pools			(94,707)	(268,984)
Payments received on purchased non-covered loans			103,985	80,668
Payments received on purchased pool loans			74,652	0
Payments received on covered loans			16,881	42,103
Purchases of premises and equipment			(6,878)	(6,595)
Proceeds from sales of premises and equipment			161	217
Proceeds from sales of other real estate owned			9,818	27,691
Payments received from FDIC under loss-share agreements			4,165	12,539
Net cash proceeds received (paid) from acquisitions			(7,205)	673,840
Net cash provided by (used in) investing activities			(230,842)	142,070
Cash flows from financing activities:
Net increase (decrease) in deposits			(101,118)	27,829
Net decrease in securities sold under agreements to repurchase			(26,446)	(39,832)
Proceeds from other borrowings			172,700	0
Repayment of other borrowings			(7)	(39,881)
Dividends paid - common stock			(3,484)	(3,220)
Purchase of treasury shares			(1,211)	(731)
Issuance of common stock			0	114,889
Proceeds from exercise of stock options			414	998
Net cash provided by (used in) financing activities			40,848	60,052
Net increase (decrease) in cash and cash equivalents			(206,035)	184,858
Cash and cash equivalents at beginning of period			390,563	170,359	170,359
Cash and cash equivalents at end of period	$ 184,528	$ 355,217	184,528	355,217	$ 390,563
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the year for: Interest			8,801	7,220
Cash paid during the year for: Income taxes			17,395	2,659
Loans (excluding purchased non-covered and covered loans) transferred to other real estate owned			1,499	8,636
Purchased non-covered loans transferred to other real estate owned			2,663	2,039
Covered loans transferred to other real estate owned			757	6,534
Loans provided for the sales of other real estate owned			905	1,948
Change in unrealized gain on securities available for sale, net of tax			10,415	(2,895)
Change in unrealized loss on cash flow hedge (interest rate swap), net of tax			(808)	(131)
Issuance of common stock in acquisitions			$ 72,455	$ 0