Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Hedge Ineffectiveness

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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The net gain (loss) relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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Derivative Financial Instruments - Impact of Derivatives on Consolidated Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Trading
Total	$ 6,238	$ (4,949)	$ (5,268)	$ 3,892	$ (940)	$ 1,661	$ (3,609)	$ (5,378)
Interest Rate Swaps
Trading
Total									$ (14,340)	$ (10,554)	$ 8,597
Interest Rate Swaps \| Designated as Hedging Instrument \| Fair Value
Fair Value Hedges
Interest recognized on derivatives									(11,642)	8,286	27,810
Hedged items recorded in interest expense									(7,966)	16,155	14,447
Derivatives recorded in interest expense									8,123	(20,115)	(15,482)
Trading
Total									(11,485)	4,326	26,775
Interest Rate Swaps \| Designated as Hedging Instrument \| Cash Flow
Cash Flow Hedges
Amount of gain (loss) reclassified from accumulated other comprehensive income into interest expense									(1,455)	(11,187)	(17,665)
Trading
Total									(1,455)	(11,187)	(17,665)
Interest Rate Swaps \| Trading
Trading
Change in fair value of future interest payments recorded in earnings									(1,400)	(3,693)	(513)
Total									$ (1,400)	$ (3,693)	$ (513)