Basis of Presentation	3 Months Ended
Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation LendingClub Corporation (LendingClub) operates an online lending marketplace platform that connects borrowers and investors. LendingClub Asset Management, LLC (LCAM), is a registered investment advisor with the Securities and Exchange Commission (SEC) and wholly-owned subsidiary of LendingClub that acts as the general partner for certain private funds. Additionally, LCAM is an advisor to separately managed accounts (SMAs) and funds of which LCAM’s wholly-owned subsidiaries are the general partners. Springstone Financial, LLC (Springstone), is a wholly-owned subsidiary of LendingClub that facilitates the origination of education and patient finance loans by third-party issuing banks. LC Trust I (the Trust) is an independent Delaware business trust that acquires loans from LendingClub and holds them for the sole benefit of certain investors that have purchased trust certificates issued by the Trust that are related to specific underlying loans for the benefit of the investor. Various wholly-owned subsidiaries of LendingClub have been established to enter into warehouse credit agreements with certain lenders for secured revolving credit facilities. Additionally, LendingClub has established various entities in connection with its role as the sponsor of asset-backed securities transactions, which include providing accredited investors and qualified institutional buyers the opportunity to invest in a pool of unsecured personal whole loans in a certificated form (CLUB Certificates). The accompanying unaudited condensed consolidated financial statements include LendingClub, its subsidiaries (collectively referred to as the Company, we, or us) and consolidated variable interest entities (VIEs). Noncontrolling interests are reported as a separate component of consolidated equity from the equity attributable to LendingClub’s stockholders for all periods presented. All intercompany balances and transactions have been eliminated. These condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and contain all adjustments, consisting of only normal recurring adjustments, necessary for the fair statement of the results and financial position for the periods presented. These accounting principles require management to make certain estimates and assumptions that affect the amounts in the accompanying financial statements. Actual results may differ from those estimates, and results reported in the interim periods are not necessarily indicative of the results for the full year or any other interim period. In the fourth quarter of 2017, the Company separately reported “Gain (Loss) on sales of loans” and “Net fair value adjustments” from “Other revenue (expense)” in the Company’s Consolidated Statements of Operations. “Net fair value adjustments” was also revised to include other-than-temporary impairment charges on subordinated residual certificates held as a result of Company-sponsored securitization transactions, which were previously included in “Other revenue.” These changes had no impact on “Total net revenue.” Prior period amounts have been reclassified to conform to the current period presentation. The accompanying interim condensed consolidated financial statements and these related notes should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (Annual Report) filed on February 22, 2018.

Basis of Presentation

LendingClub Corporation (LendingClub) operates an online lending marketplace platform that connects borrowers and investors. LendingClub Asset Management, LLC (LCAM), is a registered investment advisor with the Securities and Exchange Commission (SEC) and wholly-owned subsidiary of LendingClub that acts as the general partner for certain private funds. Additionally, LCAM is an advisor to separately managed accounts (SMAs) and funds of which LCAM’s wholly-owned subsidiaries are the general partners. Springstone Financial, LLC (Springstone), is a wholly-owned subsidiary of LendingClub that facilitates the origination of education and patient finance loans by third-party issuing banks. LC Trust I (the Trust) is an independent Delaware business trust that acquires loans from LendingClub and holds them for the sole benefit of certain investors that have purchased trust certificates issued by the Trust that are related to specific underlying loans for the benefit of the investor. Various wholly-owned subsidiaries of LendingClub have been established to enter into warehouse credit agreements with certain lenders for secured revolving credit facilities. Additionally, LendingClub has established various entities in connection with its role as the sponsor of asset-backed securities transactions, which include providing accredited investors and qualified institutional buyers the opportunity to invest in a pool of unsecured personal whole loans in a certificated form (CLUB Certificates).

The accompanying unaudited condensed consolidated financial statements include LendingClub, its subsidiaries (collectively referred to as the Company, we, or us) and consolidated variable interest entities (VIEs). Noncontrolling interests are reported as a separate component of consolidated equity from the equity attributable to LendingClub’s stockholders for all periods presented. All intercompany balances and transactions have been eliminated. These condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and contain all adjustments, consisting of only normal recurring adjustments, necessary for the fair statement of the results and financial position for the periods presented. These accounting principles require management to make certain estimates and assumptions that affect the amounts in the accompanying financial statements. Actual results may differ from those estimates, and results reported in the interim periods are not necessarily indicative of the results for the full year or any other interim period.

In the fourth quarter of 2017, the Company separately reported “Gain (Loss) on sales of loans” and “Net fair value adjustments” from “Other revenue (expense)” in the Company’s Consolidated Statements of Operations. “Net fair value adjustments” was also revised to include other-than-temporary impairment charges on subordinated residual certificates held as a result of Company-sponsored securitization transactions, which were previously included in “Other revenue.” These changes had no impact on “Total net revenue.” Prior period amounts have been reclassified to conform to the current period presentation.

The accompanying interim condensed consolidated financial statements and these related notes should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (Annual Report) filed on February 22, 2018.