Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments [Abstract]

Non-Hedge Derivative Assets and Liabilities

	As of December 31,2016				As of December 31,2015
(Dollars in thousands)	Notional		Fair Value		Notional		Fair Value
Non-hedge derivative assets	$	123,953	$	1,235	$	101,629	$	1,793
Non-hedge derivative liabilities		123,953		1,235		101,629		1,793