CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 70,698	$ 82,600
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,080	5,872
Amortization of intangible assets	2,045	2,286
Provision for credit losses - expense (benefit)	15,502	(13,802)
Deferred income tax expense (benefit)	1,564	31,707
Stock-based compensation	2,075	1,182
Unrealized loss (gain) on derivative instruments	3	(618)
Net gain on disposals or sales, and impairments of premises and equipment and other assets	(8)	(26)
Net gain on sales of loans and valuation adjustments	(766)	(2,461)
Net amortization of discounts, premiums, and deferred loan fees and costs	283	(2,933)
Originations and purchases of loans held for sale	(38,500)	(86,802)
Sales and repayments of loans held for sale	34,836	93,739
Amortization of broker placement fees	44	35
Net amortization of premiums and discounts on investment securities	630	1,690
Decrease in accrued interest receivable	8,566	3,919
Increase (decrease) in accrued interest payable	3,752	(906)
(Increase) decrease in other assets	168	352
Increase (decrease) in other liabilities	9,443	(1,000)
Net cash provided by operating activities	115,415	114,834
Cash flows from investing activities:
Net disbursements on loans held for investment	(71,193)	(48,370)
Proceeds from sales of loans held for investment	2,552	1,306
Proceeds from sales of repossessed assets	12,347	9,361
Purchases of available-for-sale securities	0	(497,327)
Proceeds from principal repayments and maturities of available-for-sale debt securities	113,218	208,397
Proceeds from principal repayments and maturities of held-to-maturity debt securities	6,652	400
Additions to premises and equipment	(1,689)	(6,764)
Proceeds from sales of premises and equipment and other assets	8	26
Net (purchases) redemptions of other investments securities	(11,360)	(21)
Net cash provided by (used in) investing activities	50,535	(332,992)
Cash flows from financing activities:
Net decrease in deposits	(92,354)	(456,211)
Net proceeds from short-term borrowings	47,849	0
Repayments of long-term borrowings	0	(100,000)
Proceeds from long-term borrowings	300,000	0
Repurchase of outstanding common stock	(53,217)	(52,713)
Dividends paid on common stock	(25,132)	(19,727)
Net cash provided by (used in) financing activities	177,146	(628,651)
Net increase (decrease) in cash and cash equivalents	343,096	(846,809)
Cash and cash equivalents at beginning of year	480,505	2,543,058
Cash and cash equivalents at end of year	823,601	1,696,249
Cash and cash equivalents include:
Cash and due from banks	822,542	1,694,066
Money market instruments	1,059	2,183
Cash and Cash Equivalents, at Carrying Value, Total	$ 823,601	$ 1,696,249