Legal Matters And Contingencies [Line Items]

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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- Definition

Number of defendants named in a legal action.

+ References

No definition available.

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=99385795&loc=d3e12631-108344

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Commitments and contingencies - Legal Proceedings - Additional Information (Details) $ in Millions	1 Months Ended			3 Months Ended
	Feb. 11, 2020 USD ($)	Jul. 30, 2019 Defendant Plaintiff	Jun. 30, 2017 USD ($)	Mar. 31, 2021 USD ($) claims units
Hazard Insurance Commision Related Litigation
Legal Matters And Contingencies
Loss Contingency Damages Sought Value				$ 400.0
Banco Popular de Puerto Rico \| Lilliam Gonzalez Camacho v BPPR
Legal Matters And Contingencies
Loss Contingency Damages Sought Value				$ 400.0
Loss Contingency Number Of Defendants \| units				20
Banco Popular de Puerto Rico \| Betteroads Asphalt and Betterecycling Corporation
Legal Matters And Contingencies
Loss Contingency Damages Sought Value	$ 80.0		$ 900.0
PB \| Aileen Betances, et al. v. Popular Bank, et al
Legal Matters And Contingencies
Number of plaintiffs \| Plaintiff		5
Loss Contingency Number Of Defendants \| Defendant		5
PB \| Damian Reyes, et al. v. Popular Bank, et al
Legal Matters And Contingencies
Number of plaintiffs \| Plaintiff		3
Loss Contingency Number Of Defendants \| Defendant		6
Aggregate Arbitrations with Claimed Damages \| Popular Securities
Legal Matters And Contingencies
Loss Contingency Pending Claims Number \| claims				131
Loss Contingency Damages Sought Value				$ 139.0
One arbitration with Claimed damages \| Popular Securities
Legal Matters And Contingencies
Loss Contingency Pending Claims Number \| claims				1
Loss Contingency Damages Sought Value				$ 30.0
Minimum
Legal Matters And Contingencies
Loss Contingency Range Of Possible Loss Portion Not Accrued				0.0
Minimum \| PB \| PB Employment Related Litigation
Legal Matters And Contingencies
Loss Contingency Damages Sought Value				100.0
Maximum
Legal Matters And Contingencies
Loss Contingency Range Of Possible Loss Portion Not Accrued				$ 34.2