Borrowed Funds and Mandatorily Redeemable Securities (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of long-term debt and mandatorily redeemable securities

The following table shows the details of long-term debt and mandatorily redeemable securities as of December 31, 2017 and 2016.

(Dollars in thousands)	2017		2016
Federal Home Loan Bank borrowings (1.04% – 5.86%)	$	47,114	$	53,075
Mandatorily redeemable securities	18,948		19,177
Other long-term debt	3,998		2,056
Total long-term debt and mandatorily redeemable securities	$	70,060	$	74,308

Schedule of short-term borrowings

The following table shows the details of short-term borrowings as of December 31, 2017 and 2016.

	2017				2016
(Dollars in thousands)	Amount		Weighted Average Rate		Amount		Weighted Average Rate
Federal funds purchased	$	56,000	1.63	%	$	—	—	%
Security repurchase agreements	149,834		0.20		162,913		0.17
Commercial paper	6,115		0.27		5,761		0.27
Other short-term borrowings	2,646		—		123,269		0.57
Total short-term borrowings	$	214,595	0.57	%	$	291,943	0.34	%