Nature of Business and Significant Accounting Policies (Details Textual) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 6 Months Ended
Jun. 30, 2012
Location
Jun. 30, 2011
Mar. 31, 2014
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Number
Dec. 31, 2010
Interest rate caps [Member]
Mar. 31, 2009
Interest rate caps [Member]
Jun. 30, 2012
Alabama [Member]
Office
Branch
Location
Jan. 20, 2012
Alabama [Member]
Branch
Jun. 30, 2012
New Mexico [Member]
Location
Jun. 30, 2012
North Carolina [Member]
Location
Jun. 30, 2012
Oklahoma [Member]
Location
Jun. 30, 2012
South Carolina [Member]
Location
Jun. 30, 2012
Tennessee [Member]
Location
Jun. 30, 2012
Texas [Member]
Location
Nature of Business and Significant Accounting Policies (Textual) [Abstract]                                
Number of locations 206               40   1 26 1 69 20 49
Number of offices opened                 17              
Number of branches acquired                 23              
Branches merged into existing Regional offices                 4 (4)            
Number interest rate caps           3                    
Notional amounts             $ 128,500 $ 10,000                
Exchanged notional cap         30,000                      
Strike rate     6.00%                          
Additional cap increase         150,000                      
Unfavorable fair value adjustments 23 172                            
Three Month LIBOR contract Three Month LIBOR contract                              
Nature of Business and Significant Accounting Policies (Additional Textual) [Abstract]                                
Contractual delinquent period of loans 180 days                              
Allowance for loans losses large installment loans in excess of $2.5                              
Allowance for loans losses small installment loans of $2.5 or less                              
Bankrupt accounts 4,625     3,130                        
Accounts of customer in bankruptcy that are 180 or more days contractually delinquent 339                              
Accounts reserve that are 180 or more days contractually delinquent $ 1,888                              
Turnover rate of loan portfolio 0.012