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Derivative Instruments - Gain (loss) recognized on derivatives instruments (Details) - Not designated as hedging - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ (2,981)	$ 2,269	$ (4,492)	$ 3,279
Interest rate swaps | Other noninterest income
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	1	(3)	2	(3)
Interest rate lock commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(1,793)	5,650	(7,298)	11,229
Forward loan sales commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(499)	369	(2,061)	1,152
TBA mortgage backed securities | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ (690)	$ (3,747)	$ 4,865	$ (9,099)

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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
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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- Definition

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+ References

No definition available.

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