Transfers of Financial Assets (Tables)

3 Months Ended

Mar. 31, 2025

Transfers And Servicing [Abstract]

Schedule of carrying amounts of assets pledged as collateral

(dollars in thousands)	March 31, 2025		December 31, 2024
Public deposits	$	1,875,118	$	1,729,131
Federal Home Loan Bank		4,927,265		4,959,298
Federal Reserve Bank		3,830,010		3,605,233
Interest rate swaps		331		385
Total	$	10,632,724	$	10,294,047