Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2015

Short-term Debt [Abstract]

Summary of short-term borrowings

A summary of short-term borrowings, which consisted of securities sold under agreements to repurchase, FHLB advances and federal funds purchased, follows:

	Ending Balance at Year-End		Weighted Average Interest Rate at Year-End		Average Amount Outstanding During Year		Weighted Average Interest Rate During Year		Maximum Outstanding at Any Month-End
	(Dollars in thousands)
2015
Securities sold under agreements to repurchase	$	297,199	0.06	%	$	327,559	0.07	%	$	372,236
FHLB advances	100,000		0.34		89,208		0.23		280,000
Federal funds purchased	—		—		3,762		0.37		22,000
2014
Securities sold under agreements to repurchase	$	304,467	0.11	%	$	326,056	0.12	%	$	361,231
FHLB advances	60,000		0.25		6,726		0.27		60,000
Federal funds purchased	25,000		0.40		2,003		0.40		25,000
2013
Securities sold under agreements to repurchase	$	327,428	0.15	%	$	337,649	0.14	%	$	357,976