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Derivative Instruments - Gain (loss) recognized on derivatives instruments (Details) - Not designated as hedging - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ 1,083	$ (1,530)
Interest rate swaps | Other noninterest income
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	2
Interest rate lock commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(6,245)	1,227
Forward loan sales commitments | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	(1,635)	666
TBA mortgage backed securities | Mortgage banking
Gain (loss) recognized on derivative instruments
Total gain/(loss) from derivative instruments	$ 8,961	$ (3,423)

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=121590274&loc=SL5618551-113959

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- Definition

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+ References

No definition available.

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