The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Derivatives and Hedging Activity - Effect on Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivatives
(Loss) gain on derivative financial instruments, net	$ (32)	$ 32,622	$ (2,239)	$ 15,763
Interest rate swaps
Derivatives
(Loss) gain on derivative financial instruments, net	(10,077)	(128)	(13,835)	6,109
Interest rate swap guarantees
Derivatives
(Loss) gain on derivative financial instruments, net	(2,990)		(3,171)
Foreign exchange contracts
Derivatives
(Loss) gain on derivative financial instruments, net	13,245	32,818	15,689	9,675
Credit spread instrument
Derivatives
(Loss) gain on derivative financial instruments, net	$ (210)	(68)	$ (922)	(21)
Cash flow hedges \| Interest rate swaps \| Derivatives designated as hedging instruments
Derivatives
Gain (Loss) Recognized in OCI (effective portion)		(1)		8
Gain (Loss) Reclassified from AOCI into Income (effective portion)		$ 22		$ 26