Derivatives and Hedging Activities Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments [Abstract]
Hedged Liability, Fair Value Hedge	$ 250,000	$ 250,000
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ 3,573	$ (499)

Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments [Abstract]

No definition available.

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- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959

+ Details

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant