Transfers of Financial Assets (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of carrying amounts of assets pledged as collateral

(dollars in thousands)	June 30, 2019		December 31, 2018
Public deposits	$	1,884,572	$	1,749,726
Federal Home Loan Bank		2,790,454		2,497,030
Federal Reserve Bank		939,046		957,017
ACH transactions		150,292		150,903
Interest rate swaps		36,311		28,843
Total	$	5,800,675	$	5,383,519