Balance Sheet Offsetting (Tables)

6 Months Ended

Jun. 30, 2019

Offsetting [Abstract]

Balance sheet offsetting of derivative assets and liabilities

The following table presents the assets and liabilities subject to an enforceable master netting arrangement. The interest, commodity and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross amounts of recognized assets						Gross amounts not offset in the consolidated balance sheets
($ in Thousands)			Gross amounts offset in the consolidated balance sheets		Net amounts presented in the consolidated balance  sheets		Derivative liability available for offset			Collateral received			Net amount
Derivative assets(a)
June 30, 2019	$	17,504	$	—	$	17,504	$	(6,693	)	$	(8,339	)	$	2,472
December 31, 2018	65,596		—		65,596		(22,873		)	(41,879		)	843
	Gross amounts of recognized liabilities						Gross amounts not offset in the consolidated balance sheets
($ in Thousands)			Gross amounts offset in the consolidated balance sheets		Net amounts presented in the consolidated balance  sheets		Derivative asset available for offset			Collateral pledged			Net amount
Derivative liabilities(a)
June 30, 2019	$	17,045	$	—	$	17,045	$	(6,693	)	$	(10,179	)	$	174
December 31, 2018	22,951		—		22,951		(22,873		)	(63		)	16