Regulatory Requirements - Summary of Regulatory Capital and Ratios (Details) $ in Millions	Dec. 31, 2021 USD ($)
LendingClub Bank
Amount
CET1 capital (1)	$ 523.7
Tier 1 capital	523.7
Total capital	563.7
Tier 1 leverage	523.7
Risk-weighted assets	3,130.4
Quarterly adjusted average assets	$ 3,667.7
Ratio
CET1 capital (1)	0.167
Tier 1 capital	0.167
Total capital	0.180
Tier 1 leverage	0.143
Required Minimum plus Required CCB for Non-Leverage Ratios
CET1 capital (1)	0.070
Tier 1 capital	0.085
Total capital	0.105
Tier 1 leverage	0.040
LendingClub
Amount
CET1 capital (1)	$ 710.0
Tier 1 capital	710.0
Total capital	767.9
Tier 1 leverage	710.0
Risk-weighted assets	3,333.2
Quarterly adjusted average assets	$ 4,301.7
Ratio
CET1 capital (1)	0.213
Tier 1 capital	0.213
Total capital	0.230
Tier 1 leverage	0.165
Required Minimum plus Required CCB for Non-Leverage Ratios
CET1 capital (1)	0.070
Tier 1 capital	0.085
Total capital	0.105
Tier 1 leverage	0.040

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Banking Regulation, Quarterly Adjusted Average Assets

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Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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Amount of total capital as defined by regulatory framework.

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