Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 156,916	$ 147,920
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	42,981	34,291
Depreciation and amortization of premises and equipment	15,673	14,675
Net amortization of investment securities premiums	822	5,829
Investment securities losses (gains), net	20,282	(19)
Gain on sales of mortgage loans held for sale	(4,233)	(2,277)
Proceeds from sales of mortgage loans held for sale	243,130	132,609
Originations of mortgage loans held for sale	(250,561)	(137,741)
Intangible amortization	5,261	1,746
Amortization of issuance costs and discounts on long-term borrowings	357	360
Gain on acquisition, net of tax	(47,392)	0
Loss on disposal of premises and equipment	222	0
Gain on Sale-Leaseback Transaction	(20,266)	0
Stock-based compensation	3,779	4,240
Net change in deferred federal income tax	14,491	19,232
Net change in accrued salaries and benefits	(134)	(12,163)
Net change in life insurance cash surrender value	(7,051)	(20,433)
Other changes, net	146,747	28,641
Total adjustments	164,108	68,990
Net cash provided by operating activities	321,024	216,910
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of AFS securities	2,261,028	80,666
Proceeds from principal repayments and maturities of AFS securities	120,714	55,102
Proceeds from principal repayments and maturities of HTM securities	26,542	29,815
Purchase of AFS securities	(1,050,738)	(64,996)
Net change in FRB and FHLB stock	(892)	5,968
Net change in loans	(214,157)	(781,310)
Net purchases of premises and equipment	(3,542)	(11,019)
Settlement of bank-owned life insurance	963	45
Proceeds from Sale-Leaseback Transaction	51,123	0
Net cash received for acquisition	1,018,371	0
Net change in tax credit investments	(24,292)	(18,436)
Net cash provided (used) by investing activities	2,185,120	(704,165)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net change in demand and savings deposits	(11,999)	(796,291)
Net change in time deposits and brokered deposits	(78,295)	1,353,293
Net change in other borrowings	(1,745,262)	(152,453)
Net proceeds from issuance of common stock	270,197	1,009
Dividends paid	(63,865)	(55,073)
Acquisition of treasury stock	(30,348)	(40,449)
Net cash (used) provided by financing activities	(1,659,572)	310,036
Net increase (decrease) in Cash and Cash Equivalents	846,572	(177,219)
Cash and Cash Equivalents at Beginning of Period	549,710	681,921
Cash and Cash Equivalents at End of Period	1,396,282	504,702
Cash paid during the period for:
Interest	277,841	162,377
Income taxes	19,308	15,183
Supplemental Schedule of Certain Noncash Activities:
Fair value of tangible assets acquired	4,718,909	0
Intangible assets	92,600	0
Liabilities assumed	5,560,160	0
PCD Loans credit discount	$ 55,906	$ 0