CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash and due from banks:
Non-interest bearing	$ 15,740	$ 16,068
Interest bearing	888,258	556,579
Cash and cash equivalents	903,998	572,647
Investment securities (including securities reported at fair value of $9,523,599 and $9,745,327)	9,533,599	9,755,327
Non-marketable equity securities	384,697	294,172
Loans	24,892,894	24,885,988
Allowance for credit losses	(158,792)	(147,946)
Loans, net	24,734,102	24,738,042
Bank owned life insurance	318,305	308,212
Operating lease equipment, net	526,311	539,799
Goodwill	77,637	77,637
Other assets	710,554	740,876
Total assets	37,189,203	37,026,712
Demand deposits:
Non-interest bearing	7,366,642	8,037,848
Interest bearing	2,505,150	2,142,067
Savings and money market	10,601,129	13,061,341
Time	5,249,977	4,268,078
Total deposits	25,722,898	27,509,334
Federal funds purchased	0	190,000
FHLB advances	7,550,000	5,420,000
Notes and other borrowings	720,787	720,923
Other liabilities	714,124	750,474
Total liabilities	34,707,809	34,590,731
Commitments and contingencies
Stockholders' equity:
Common Stock, Value, Issued	744	757
Paid-in capital	269,353	321,729
Retained earnings	2,585,981	2,551,400
Accumulated other comprehensive loss	(374,684)	(437,905)
Total stockholders' equity	2,481,394	2,435,981
Total liabilities and stockholders' equity	37,189,203	37,026,712
Interest income on loans
Cash and due from banks:
Allowance for credit losses	$ (158,792)	$ (147,946)