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Derivative Financial Instruments Fair Value Gains and Losses on Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Net fair value gains/(losses) on derivative financial instruments	$ 1,280	$ 1,796	$ (1,294)	$ 9,639
Mortgage Banking Derivatives [Member]
Derivative [Line Items]
Net fair value gains/(losses) on derivative financial instruments	228	1,783	(2,134)	9,527
Interest Rate Swap [Member]
Derivative [Line Items]
Net fair value gains/(losses) on derivative financial instruments	1,069	(12)	861	70
Foreign Exchange Contract [Member]
Derivative [Line Items]
Net fair value gains/(losses) on derivative financial instruments	$ (17)	$ 25	$ (21)	$ 42

X

- 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
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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- Definition

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+ References

No definition available.

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