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Acquisitions - Cash Pawn (Details) - Cash Pawn
$ / shares in Units, $ in Millions
Feb. 19, 2016
USD ($)
Feb. 19, 2015
USD ($)
store
$ / shares
shares
Business Acquisition [Line Items]    
Number of stores acquired | store   12
Aggregate purchase price   $ 16.5
Cash payments for acquisition   5.0
Holding period adjustment   $ 0.2
Common Class A Non-Voting, Subject to Possible Redemption    
Business Acquisition [Line Items]    
Equity interest issued (shares) | shares   1,168,456
Value of shares issued (usd per share) | $ / shares   $ 10.01
Repurchase of shares, aggregate price $ 11.8