Transfers of Financial Assets (Tables)

3 Months Ended

Mar. 31, 2018

Transfers of Financial Assets

Schedule of carrying amounts of assets pledged as collateral

(dollars in thousands)	March 31, 2018		December 31, 2017
Public deposits	$	2,486,067	$	2,800,690
Federal Home Loan Bank		2,475,887		2,388,702
Federal Reserve Bank		914,177		914,454
ACH transactions		151,462		151,526
Interest rate swaps		30,657		27,502
Total	$	6,058,250	$	6,282,874