CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES:
Net income	$ 35,903	$ 27,748
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization on investment securities, net	425	506
Accretion on loans deposits and core deposit intangible net	(1,813)	(2,422)
Depreciation of premises and equipment	5,414	4,965
Amortization of mortgaging servicing rights	1,200	1,057
Provision for loan and lease losses	9,489	3,322
Net gain on sale of mortgage loans held for sale	(5,647)	(3,189)
Origination of mortgage loans held for sale	(154,607)	(128,026)
Proceeds from sale of mortgage loans held for sale	154,766	129,077
Net gain on sale of consumer loans held for sale	(1,768)	(909)
Origination of consumer loans held for sale	(248,430)	(86,218)
Proceeds from sale of consumer loans held for sale	247,928	86,473
Net realized gain on sales, calls and impairment of securities		(88)
Net gain realized on sale of other real estate owned	(392)	(734)
Writedowns of other real estate owned	200	1,016
Net gain on sale of banking center		(28)
Deferred director compensation expense - Company Stock	149	171
Stock based compensation expense	754	311
Increase in cash surrender value of bank owned life insurance	(1,114)	(1,050)
Net change in other assets and liabilities:
Accrued interest receivable	(83)	(228)
Accrued interest payable	(219)	(95)
Other assets	(3,064)	(1,709)
Other liabilities	(724)	5,336
Net cash provided by operating activities	38,367	35,286
INVESTING ACTIVITIES:
Net change in cash for acquisition of Cornerstone Bancorp, Inc.	(9,088)
Purchases of securities available for sale	(400,079)	(994,305)
Proceeds from calls, maturities and paydowns of securities available for sale	428,649	968,812
Proceeds from calls, maturities and paydowns of securities held to maturity	4,504	4,357
Net change in outstanding warehouse lines of credit	(274,457)	(74,117)
Purchase of non-business acquisition loans, including premiums paid	(48,876)	(87,619)
Net change in other loans	(62,932)	(96,916)
Proceeds from redemption of Federal Home Loan Bank stock	224
Proceeds from sale of mortgage loans transferred to held for sale	72,330
Proceeds from sales of other real estate owned	2,660	7,880
Proceeds from sale of banking center		1,623
Net purchases of premises and equipment	(5,466)	(2,312)
Net cash used in investing activities	(292,531)	(272,597)
FINANCING ACTIVITIES:
Net change in deposits	443,745	309,648
Net change in securities sold under agreements to repurchase and other short-term borrowings	(242,975)	(46,484)
Payments of Federal Home Loan Bank advances	(267,000)	(208,000)
Proceeds from Federal Home Loan Bank advances	430,000	212,000
Payoff of subordinated note, net of common security interest	(4,000)
Repurchase of Common Stock	(1,134)	(477)
Net proceeds from Common Stock options exercised	80	244
Cash dividends paid	(12,467)	(11,767)
Net cash provided by financing activities	346,249	255,164
NET CHANGE IN CASH AND CASH EQUIVALENTS	92,085	17,853
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	210,082	72,878
CASH AND CASH EQUIVALENTS AT END OF YEAR	302,167	90,731
Cash paid during the period for:
Interest	13,882	14,181
Income taxes	18,956	12,219
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers from loans to real estate acquired in settlement of loans	3,939	2,713
Transfers from loans held for investment to held for sale	71,201
Loans provided for sales of other real estate owned	$ 256	$ 2,962