UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net income (loss) from continuing operations	$ 38,647	$ (202,081)
Net income from discontinued operations	0	7,985
Net income (loss)	38,647	(194,096)
Adjustments to reconcile net income to net cash provided by operating activities
Provision for allowance for loan losses	7,451	25
Depreciation and amortization	3,332	2,985
Amortization of deferred loan fees and premiums, net	2,380	742
Deferred income tax expense (benefit)	10,632	(73,960)
Amortization of investment security premiums and discounts, net	1,091	2,559
Right-of-use asset amortization	2,752	2,786
Share-based compensation	3,589	3,044
Increase in cash surrender value of bank-owned life insurance	(1,032)	(965)
Loss on sale of securities available for sale, net	0	333,170
Employee Stock Ownership Plan expense	1,610	1,730
Other	330	(12)
Change in:
Loans held for sale	(1,050)	1,446
Prepaid pension expense	(444)	1,202
Other assets	1,224	(15,315)
Other liabilities	(37,946)	31,822
Net cash provided by operating activities - continuing operations	32,566	89,178
Net cash provided by operating activities - discontinued operations	0	11,342
Net cash provided by operating activities	32,566	100,520
Investing activities
Proceeds from sales of securities available for sale	0	1,899,724
Proceeds from maturities and principal paydowns of securities available for sale	81,661	130,553
Proceeds from maturities and principal paydowns of securities held to maturity	5,987	5,571
Proceeds from sale of Federal Home Loan Bank stock	3,638	105,704
Purchases of Federal Home Loan Bank stock	(3,613)	(109,509)
Contributions to low income housing tax credit investments	(11,817)	(10,932)
Contributions to other equity investments	(180)	(405)
Distributions from other equity investments	94	90
Net increase in outstanding loans, excluding loan purchases	(117,074)	(68,042)
Purchases of loans	0	(31,980)
Purchased banking premises and equipment	(2,485)	(1,217)
Net cash (used in) provided by investing activities - continuing operations	(43,789)	1,919,557
Net cash used in investing activities - discontinued operations	0	0
Net cash (used in) provided by investing activities	(43,789)	1,919,557
Financing activities
Net decrease in demand, savings, interest checking, and money market investment deposit accounts	(133,744)	(775,801)
Net increase in time deposits	204,260	343,022
Net increase in borrowed funds	4,538	397,575
Dividends declared and paid to common shareholders	(17,889)	(16,193)
Net cash provided by (used in) financing activities - continuing operations	57,165	(51,397)
Net cash used in financing activities - discontinued operations	0	(369)
Net cash provided by (used in) financing activities	57,165	(51,766)
Net increase in cash, cash equivalents, and restricted cash	45,942	1,968,311
Cash, cash equivalents, and restricted cash at beginning of period	693,076	169,505
Cash, cash equivalents, and restricted cash at end of period	739,018	2,137,816
Cash paid during the period for:
Interest paid on deposits and borrowings	63,246	46,708
Income taxes	7,152	5,862
Non-cash activities
Net increase in capital commitments relating to low income housing tax credit projects	8,963	51,525
Net increase in operating lease right-of-use assets and operating lease liabilities relating to lease remeasurements/modifications	$ 2,278	$ 1,523