CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 31,894	$ 41,835
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	7,378	6,020
Net accretion on loans	(8,377)	(4,013)
Amortization of subordinated notes issuance costs	128	81
Amortization of junior subordinated debentures	378	360
Net amortization on securities	(104)	234
Amortization of intangible assets	6,265	6,977
Deferred taxes	(3,320)	1,693
Credit Loss Expense	33,649	7,560
Stock based compensation	3,443	2,794
Net (gains) losses on sale or call of debt securities	(3,210)	(22)
Net (gains) losses on equity securities	(603)	(499)
Net OREO (gains) losses and valuation adjustments	399	(301)
Gain on sale of subsidiary or division	(9,758)	0
Origination of loans held for sale	(45,220)	(21,017)
Purchases of loans held for sale	(33,811)	(24,733)
Proceeds from sale of loans originated for sale	71,782	42,753
Net gains on sale of loans	(2,323)	(409)
Net (gains) losses on transfer of loans to loans held for sale	466	(229)
Net change in operating leases	92	145
(Increase) decrease in other assets	(4,206)	(6,759)
Increase (decrease) in other liabilities	15,387	4,017
Net cash provided by (used in) operating activities	60,329	56,487
Cash flows from investing activities:
Purchases of securities available for sale	(128,970)	(80,459)
Proceeds from sales of securities available for sale	65,184	40,617
Proceeds from maturities, calls, and pay downs of securities available for sale	78,276	75,777
Proceeds from maturities, calls, and pay downs of securities held to maturity	581	668
Purchases of loans held for investment	(277,333)	(26,714)
Proceeds from sale of loans	145,513	25,653
Net change in loans	(524,820)	(603,694)
Purchases of premises and equipment, net	(16,283)	(9,740)
Net proceeds from sale of OREO	1,918	2,513
(Purchases) redemptions of FHLB and other restricted stock, net	1,396	(8,017)
Net cash (paid for) received in acquisitions	(108,375)	0
Proceeds from sale of subsidiary or division, net	93,835	0
Net cash provided by (used in) investing activities	(669,078)	(583,396)
Cash flows from financing activities:
Net increase (decrease) in deposits	452,582	247,484
Increase (decrease) in customer repurchase agreements	12,159	9,639
Increase (decrease) in Federal Home Loan Bank advances	5,000	200,000
Proceeds from Paycheck Protection Program Liquidity Facility borrowings	231,370	0
Repayment of Paycheck Protection Program Liquidity Facility borrowings	(7,657)	0
Issuance of preferred stock, net of issuance costs	42,364	0
Preferred dividends	(899)	0
Purchase of treasury stock	(35,772)	(50,110)
Net cash provided by (used in) financing activities	699,147	407,013
Net increase (decrease) in cash and cash equivalents	90,398	(119,896)
Cash and cash equivalents at beginning of period	197,880	234,939
Cash and cash equivalents at end of period	288,278	115,043
Supplemental cash flow information:
Interest paid	33,868	37,336
Income taxes paid, net	4,572	12,797
Cash paid for operating lease liabilities	3,183	3,138
Supplemental noncash disclosures:
Loans transferred to OREO	1,012	3,001
Loans held for investment transferred to loans held for sale	172,565	27,411
Assets transferred to assets held for sale	84,077	0
Lease liabilities arising from obtaining right-of-use assets	$ 1,777	$ 2,179