CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 131,708	$ 23,522
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,206	8,928
Amortization of intangible assets	5,829	1,425
Provision for credit losses-(benefit) expense	(41,407)	116,380
Deferred income tax expense (benefit)	55,549	(10,000)
Stock-based compensation	2,754	2,442
Gain on sales of investment securities	0	(8,092)
Unrealized gain on derivative instruments	(2,340)	(2,127)
Net loss on disposals or sales of premises and equipment and other assets	87	16
Net gain on sales of loans	(8,405)	(3,274)
Net amortization/accretion of premiums, discounts and deferred loan fees and costs	(11,234)	(508)
Originations and purchases of loans held for sale	(274,197)	(153,728)
Sales and repayments of loans held for sale	305,331	157,079
Amortization of broker placement fees	128	310
Net amortization/accretion of premium and discounts on investment securities	16,679	4,327
Decrease (increase) in accrued interest receivable	6,197	(13,433)
Decrease in accrued interest payable	(1,166)	(604)
Decrease in other assets	23,356	6,812
Increase (decrease) in other liabilities	2,451	(7,076)
Net cash provided by operating activities	224,526	122,399
Cash flows from investing activities:
Net repayments (disbursements) on loans held for investment	344,493	(368,417)
Proceeds from sales of loans held for investment	23,575	3,610
Proceeds from sales of repossessed assets	25,053	15,310
Purchases of available-for-sale securities	(2,676,058)	(1,138,194)
Proceeds from sales of available-for-sale securities	0	277,449
Proceeds from principal repayments and maturities of available-for-sale securities	859,179	309,738
Proceeds from principal repayments and maturities of held-to-maturity securities	143	142
Additions to premises and equipment	(8,123)	(7,010)
Proceeds from sales of premises and equipment and other assets	249	0
Net (purchases) redemptions of other investment securities	(138)	2,032
Payment related to previous acquisition	(3,382)	0
Net cash used in investing activities	(1,435,009)	(905,340)
Cash flows from financing activities:
Net increase in deposits	2,758,873	1,343,579
Net increase in short-term borrowings	0	(35,000)
Repayments of long-term borrowings	(120,000)	(45,000)
Proceeds from long-term reverse repuchase agreements	0	200,000
Repurchase of outstanding common stock	(101,804)	(198)
Dividends paid on common stock	(30,312)	(21,718)
Dividends paid on preferred stock	(1,338)	(1,338)
Net cash provided by financing activities	2,505,419	1,440,325
Net increase in cash and cash equivalents	1,294,936	657,384
Cash and cash equivalents at beginning of period	1,493,833	644,099
Cash and cash equivalents at end of period	2,788,769	1,301,483
Cash and cash equivalents include:
Cash And Due From Banks	2,786,066	1,203,791
Money market instruments	2,703	97,692
Cash and Cash Equivalents, at Carrying Value, Total	$ 2,788,769	$ 1,301,483