Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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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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No definition available.

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Derivatives - Schedule of Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	$ (2,509)	$ (3,669)	$ 2,360	$ (9,408)
Derivatives Not Designated As Hedging Instruments \| Included in Mortgage Banking Income \| Interest rate-lock commitments
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(3,415)	486	(688)	1,995
Derivatives Not Designated As Hedging Instruments \| Included in Mortgage Banking Income \| Forward commitments
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	1,524	(4,221)	7,477	(11,469)
Derivatives Not Designated As Hedging Instruments \| Included in Mortgage Banking Income \| Futures Contracts
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(563)	66	(4,379)	66
Derivatives Not Designated As Hedging Instruments \| Included in Mortgage Banking Income \| Option Contracts
Derivatives Fair Value [Line Items]
Gains (losses) on derivative financial instruments	(55)		(50)
Designated as Hedging
Derivatives Fair Value [Line Items]
Amount of gain (loss) reclassified from other comprehensive income and recognized in interest expense on long-term debt	$ 69	$ (91)	$ 62	$ (91)