XML 183 R109.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Share-Based Compensation Plans - Summary of Non-Vested Options (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2024 $ / shares shares
Number of Options |
Granted (shares) | shares | 19,164
Weighted- Average exercise price |
Granted (usd per share) | $ / shares | $ 46.98
Non-Vested Options |
Number of Options |
Outstanding, beginning balance (shares) | shares | 605,741
Granted (shares) | shares | 19,164
Forfeited (shares) | shares | (25,000)
Outstanding, ending balance (shares) | shares | 569,164
Weighted- Average exercise price |
Outstanding (usd per share), beginning balance | $ / shares | $ 29.73
Granted (usd per share) | $ / shares | 46.98
Forfeited (usd per share) | $ / shares | 28.37
Outstanding (usd per share), ending balance | $ / shares | $ 30.93
Vested Options |
Number of Options |
Vested (shares) | shares | (30,741)
Weighted- Average exercise price |
Vested (usd per share) | $ / shares | $ 19.28

X
- Definition Weighted average price of non vested options at which grantees can acquire the shares reserved for issuance under the stock option plan. + References No definition available. + Details
Name: | cubi_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsNonvestedWeightedAverageExercisePrice
Namespace Prefix: | cubi_
Data Type: | dtr-types1:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested, Weighted Average Exercise Price + References No definition available. + Details
Name: | cubi_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsVestedWeightedAverageExercisePrice
Namespace Prefix: | cubi_
Data Type: | dtr-types1:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of non-vested options outstanding. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of non-vested options forfeited. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of options vested. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=cubi_NonVestedOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=cubi_VestedOptionsMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |