CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities:
Net income	$ 131,257	$ 64,869
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	44,841	27,239
Depreciation of premises and equipment, net	9,023	15,076
Accretion of fees and discounts, net	(14,346)	(5,537)
Amortization of intangible assets	7,689	10,605
Amortization of right-of-use lease assets	8,813	11,599
Decrease in operating lease liability	(6,450)	(9,254)
Income from mortgage banking activities, net	(2,426)	(5,109)
Loss (gain) on sale of other real estate owned and valuation adjustments, net	195	(255)
Stock-based compensation expense	5,738	3,061
Unrealized loss (gain) on equity investments, net	4	(5,988)
Deferred income tax expense (benefit)	1,919	(3,448)
Increase in accrued interest receivable	(3,382)	(3,421)
Decrease in other assets	11,184	17,909
Origination of loans held for sale	(131,703)	(324,227)
Proceeds from sales of loans held for sale	85,096	321,515
Decrease in value of bank owned life insurance	827	109
Increase in capitalized interest, net	(649)	(1,202)
Increase (decrease) in accrued interest payable	20,544	(887)
(Decrease) increase in other liabilities	(45,616)	126,515
Net cash provided by operating activities	122,558	239,169
Investing activities:
Purchases of investment securities held to maturity	0	(49,088)
Repayments, maturities and calls of investment securities held-to-maturity	41,961	28,487
Purchases of investment securities available-for-sale	(20,030)	(1,166,663)
Repayments, maturities and calls of investment securities available-for-sale	173,145	784,871
Proceeds from bank-owned life insurance death benefit	0	1,437
Net (increase) decrease in loans	(238,112)	86,523
Net cash from business combinations	0	573,745
Purchase of loans held-for-investment	(159,669)	(137,008)
Purchases of stock of Federal Home Loan Bank of Pittsburgh	(103,879)	(1,314)
Redemptions of stock of Federal Home Loan Bank of Pittsburgh	118,596	1
Sales of other real estate owned	604	1,844
Investment in premises and equipment	(1,812)	(4,436)
Sales of premises and equipment	3	891
Net cash (used in) provided by investing activities	(189,193)	119,290
Financing activities:
Net (decrease) increase in demand and saving deposits	(370,288)	32,850
Increase (decrease) in time deposits	536,663	(91,628)
Increase (decrease) in brokered deposits	44,844	(37,948)
Receipts from FHLB advances	5,265,000	0
Repayments of FHLB advances	(5,615,000)	0
Receipts from federal funds purchased	5,150,000	0
Repayments of federal funds purchased	(5,150,000)	0
Receipts from Bank Term Funding Program	565,000	0
(Distributions to) contributions from noncontrolling shareholders	(4,223)	187
Cash dividend	(18,476)	(16,966)
Issuance of common stock including proceeds from exercise of common stock options	363	432
Redemption of senior and subordinated debt	(30,000)	0
Repurchases of common shares	(28,946)	(101,716)
Net cash provided by (used in) financing activities	344,937	(214,789)
Increase in cash, cash equivalents, and restricted cash	278,302	143,670
Cash, cash equivalents, and restricted cash at beginning of period	837,258	1,532,939
Cash, cash equivalents, and restricted cash at end of period	1,115,560	1,676,609
Cash paid during the period for:
Interest	83,234	9,630
Income taxes	48,698	15,796
Non-cash information:
Loans transferred to other real estate owned	298	0
Loans transferred to portfolio from held-for-sale at fair value	46,103	54,684
Available-for-sale securities purchased, not settled	2,667	0
Held-to-maturity securities purchased, not settled	0	8,355
Securities transferred to held-to-maturity from available-for-sale at fair value	0	931,421
Fair value of assets acquired, net of cash received	0	4,712,782
Fair value of liabilities assumed	$ 0	$ 4,378,511