Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments [Abstract]

Non-Hedge Derivative Assets and Liabilities

	As of March 31, 2016				At December 31, 2015
(Dollars in thousands)	Notional		Fair Value		Notional		Fair Value
Non-hedge derivative assets	$	100,846	$	4,307	$	101,629	$	1,793
Non-hedge derivative liabilities		100,846		4,307		101,629		1,793