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Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Client-Related

Derivative [Line Items]

Schedule of Notional Amounts and Fair Values of Derivative Instruments and Client-Related Derivative Instruments

The table below summarizes the notional amounts and fair values of the client-related derivative instruments.

									Asset Derivatives (Other Assets)								Liability Derivatives (Other Liabilities)
	Notional Amount								Fair Value								Fair Value
(in thousands)	December 31, 2018				December 31, 2017				December 31, 2018				December 31, 2017				December 31, 2018				December 31, 2017
Non-designated hedging instruments
Interest rate swap contracts	$	494,567			$	394,852			$	2,217			$	2,061			$	2,217			$	2,061
Foreign exchange forward contracts	806				1,528				806				1,528				806				1,528

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Schedule of Derivatives Not Designated as Hedging Instruments, Notional Amount And Statements of Financial Position, Location [Table Text Block]

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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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