Transfers of Financial Assets (Tables)

6 Months Ended

Jun. 30, 2018

Transfers of Financial Assets

Schedule of carrying amounts of assets pledged as collateral

(dollars in thousands)	June 30, 2018		December 31, 2017
Public deposits	$	2,287,366	$	2,800,690
Federal Home Loan Bank		2,550,605		2,388,702
Federal Reserve Bank		959,851		914,454
ACH transactions		150,981		151,526
Interest rate swaps		30,563		27,502
Total	$	5,979,366	$	6,282,874