Schedule of Lending Club's Affiliates Platform Deposits, Platform Withdrawals, and Investment in Notes and Certificates (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Related Party Transaction [Line Items]
Platform Deposits	$ 1,368
Platform Withdrawals	209
Investments	4,466	3,144
Executive Officers
Related Party Transaction [Line Items]
Platform Withdrawals	14
Investments	38	39
Directors
Related Party Transaction [Line Items]
Platform Deposits	1,368
Platform Withdrawals	195
Investments	$ 4,428	$ 3,105