Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Short-term borrowings

Short-term borrowings as of December 31 are summarized as follows:

	2016		2015
Securities sold under agreements to repurchase	$	9,676	$	22,279
Federal Home Loan Bank short-term advances	100,000		400,000
Total short-term borrowings	$	109,676	$	422,279

Average balances and cost of funds of short-term borrowings

The average balances and cost of funds of short-term borrowings for the years ending December 31 are summarized as follows:

	Average Balances						Cost of Funds
	2016		2015		2014		2016		2015		2014
Federal Home Loan Bank short-term advances	$	344,724	$	207,575	$	17,899	0.46	%	0.18	%	0.17	%
Securities sold under agreements to repurchase	12,205		15,515		4,334		0.20		0.21		0.15
Total short-term borrowings	$	356,929	$	223,090	$	22,233	0.45	%	0.18	%	0.17	%