Regulatory Matters - Summary of Capital Amounts, Tier 1 Risk Based and Tier 1 Leveraged Ratios (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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Customers Bancorp, Inc. | ||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Total capital (to risk-weighted assets), Actual Amount | $ 578,644us-gaap_Capital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
$ 411,527us-gaap_Capital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to risk-weighted assets), Actual Amount | 437,712us-gaap_TierOneRiskBasedCapital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
387,529us-gaap_TierOneRiskBasedCapital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to average assets), Actual Amount | 437,712us-gaap_TierOneLeverageCapital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
387,529us-gaap_TierOneLeverageCapital / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Total capital (to risk-weighted assets), Actual Ratio | 11.09%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
13.21%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to risk-weighted assets), Actual Ratio | 8.39%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
12.44%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to average assets), Actual Ratio | 6.69%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
10.11%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Total capital (to risk-weighted assets), for Capital Adequacy Purposes Amount | 417,473us-gaap_CapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
249,196us-gaap_CapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to risk-weighted assets), for Capital Adequacy Purposes Amount | 208,737us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
124,598us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to average assets), for Capital Adequacy Purposes Amount | 261,622us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
153,310us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Total capital (to risk-weighted assets), For Capital Adequacy Purposes Ratio | 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to risk-weighted assets), For Capital Adequacy Purposes Ratio | 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Tier 1 capital (to average assets), For Capital Adequacy Purposes Ratio | 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBancorpIncMember |
Customers Bank | ||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Total capital (to risk-weighted assets), Actual Amount | 621,894us-gaap_Capital / dei_LegalEntityAxis = cubi_CustomersBankMember |
435,432us-gaap_Capital / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), Actual Amount | 480,963us-gaap_TierOneRiskBasedCapital / dei_LegalEntityAxis = cubi_CustomersBankMember |
411,434us-gaap_TierOneRiskBasedCapital / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), Actual Amount | 480,963us-gaap_TierOneLeverageCapital / dei_LegalEntityAxis = cubi_CustomersBankMember |
411,434us-gaap_TierOneLeverageCapital / dei_LegalEntityAxis = cubi_CustomersBankMember |
Total capital (to risk-weighted assets), Actual Ratio | 11.98%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
14.11%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), Actual Ratio | 9.27%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
13.33%us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), Actual Ratio | 7.39%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
10.81%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Total capital (to risk-weighted assets), for Capital Adequacy Purposes Amount | 415,141us-gaap_CapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
246,936us-gaap_CapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), for Capital Adequacy Purposes Amount | 207,570us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
123,468us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), for Capital Adequacy Purposes Amount | 260,462us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
152,191us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy / dei_LegalEntityAxis = cubi_CustomersBankMember |
Total capital (to risk-weighted assets), For Capital Adequacy Purposes Ratio | 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), For Capital Adequacy Purposes Ratio | 4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
4.00%us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), For Capital Adequacy Purposes Ratio | 4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
4.00%us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Total capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | 518,926us-gaap_CapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
308,670us-gaap_CapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | 311,356us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
185,202us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 325,577us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
$ 190,239us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized / dei_LegalEntityAxis = cubi_CustomersBankMember |
Total capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
Tier 1 capital (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 5.00%us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
5.00%us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets / dei_LegalEntityAxis = cubi_CustomersBankMember |
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- Definition
The amount of total capital as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total Capital divided by risk weighted assets as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tier 1 Leverage Capital divided by average assets as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tier 1 Risk Based Capital as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tier 1 capital divided by risk weighted assets as defined by regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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