Derivative Financial Instruments (Assets and liabilities) (Details 2) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	$ 16,240	$ 14,604
Liability Derivatives	7,617	9,747
Interest Rate Lock Commitments
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	1,099	877
Liability Derivatives	0	6
Forward Commitments
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	16	4
Liability Derivatives	395	356
Interest Rate Swap Agreements
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	15,086	12,915
Liability Derivatives	7,010	9,370
Foreign Exchange Contracts
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	39	808
Liability Derivatives	$ 212	$ 15

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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- Definition

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