Related Party Transactions (Narrative) (Details) (USD $)	12 Months Ended		1 Months Ended			12 Months Ended												1 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Sale of Carvana Loans [Member]	Dec. 31, 2013 Shares Service Expenses [Member]	Dec. 31, 2013 Shareholder Receivable [Member]	Dec. 31, 2013 Shareholder Receivable [Member] LIBOR [Member]	Dec. 31, 2013 Board of Directors Chairman [Member] reconditioning_facility dealership closed_facility	Dec. 31, 2012 Board of Directors Chairman [Member] reconditioning_facility closed_facility dealership	Dec. 31, 2011 Board of Directors Chairman [Member] reconditioning_facility dealership	Dec. 31, 2011 Director [Member] closed_facility	Dec. 31, 2013 Chief Executive Officer [Member] dealership	Dec. 31, 2012 Chief Executive Officer [Member] dealership	Dec. 31, 2011 Chief Executive Officer [Member] dealership	Dec. 31, 2011 Subordinated Debt [Member] Board of Directors Chairman [Member]	May 31, 2013 Senior Notes [Member]	Jun. 30, 2010 Senior Notes [Member]	Dec. 31, 2011 Senior Notes [Member] Outstanding Debt Held By Related Party [Member]	Jun. 30, 2010 Senior Notes [Member] Outstanding Debt Held By Related Party [Member]	Aug. 31, 2012 Senior Notes Owned by Verde [Member] Senior Notes [Member]	Aug. 30, 2012 Senior Notes Owned by Verde [Member] Senior Notes [Member]	Aug. 31, 2012 Senior Notes Sold by Verde [Member] Senior Notes [Member]	Aug. 30, 2012 Senior Notes Sold by Verde [Member] Senior Notes [Member]	Aug. 30, 2012 Debt Sold from Verde by Chief Executive Officer [Member] Senior Notes [Member]
Related Party Transaction [Line Items]
Number of stores						13	13	14		1	1	1
Number of reconditioning centers						3	3	3
Number of closed facilities							3
Lease expiration date						Aug. 30, 2015
Lease termination fees									$ 400,000
Number of closed facilities with terminated leases									2
Aircraft rental, monthly	425,000
Original debt amount													75,000,000.0	50,000,000.0	200,000,000.0	0	49,000,000.0		5,000,000.0		4,500,000.0	500,000.0
Purchase price in excess of par, percent																		111.00%		110.00%
Loans purchased by related party		600,000
Shared services revenue with related party			400,000
Notes receivable form shareholders				28,500,000
Basis spread on variable rate					2.75%
Revenue from related parties				$ 100,000

DRIVETIME AUTOMOTIVE GROUP INC 10-K