Federal Funds Purchased and Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Dec. 31, 2017

Federal Funds Purchased and Securities Sold Under Agreements to Repurchase

Schedule of information concerning federal funds purchased and securities sold under agreements to repurchase

	December 31,
	2017				2016				2015
(Dollars in thousands)	Amount		Rate		Amount		Rate		Amount		Rate
At period-end:
Federal funds purchased and securities sold under repurchase agreements	$	286,857	0.45	%	$	313,773	0.24	%	$	288,231	0.19	%
Average for the year:
Federal funds purchased and securities sold under repurchase agreements	$	325,713	0.33	%	$	320,901	0.18	%	$	291,428	0.14	%
Maximum month-end balance:
Federal funds purchased and securities sold under repurchase agreements	$	401,786			$	334,260			$	320,373