Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
OPERATING ACTIVITIES
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 64,636	$ 10,891
INVESTING ACTIVITIES
Net increase in loans held for investment	(239,643)	(186,782)
Available-for-sale debt securities:
Proceeds from sales	0	20,498
Proceeds from maturities, prepayments and calls	64,332	77,887
Purchases of securities	(2,000)
Held-to-maturity debt securities:
Proceeds from maturities, prepayments and calls	9,008	8,756
Purchases of premises and equipment – net	(2,763)	(12,233)
Net cash used in investing activities	(171,066)	(91,874)
FINANCING ACTIVITIES
Increase (decrease) in deposits	328,173	(257,528)
Proceeds from Federal Home Loan Bank borrowings	800,000	1,280,000
Repayment of Federal Home Loan Bank borrowings	(1,050,000)	(705,000)
Decrease in other short-term borrowings	(32,958)	(23,893)
Principal repayments of finance lease obligations	(806)	(464)
Dividends paid to common shareholders	(21,176)	(20,560)
Dividends paid to preferred shareholders	(2,531)	(2,531)
Treasury shares purchased - net	14	51
Net cash provided by financing activities	20,716	270,075
Net (decrease) increase in cash, cash equivalents and restricted cash	(85,714)	189,092
Cash, cash equivalents and restricted cash at beginning of the period	595,383	408,411
Cash, cash equivalents and restricted cash at end of the period	509,669	597,503
SUPPLEMENTAL DISCLOSURES
Interest paid on deposits and other borrowings	76,605	33,288
Transfers of loans to other real estate owned	$ 45	$ 79