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4. Debt (Tables)
6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]  
Schedule of debt outstanding

The terms and amounts of our other debt outstanding at June 30, 2019 and December 31, 2018 are summarized below:

          Amount Outstanding at 
          June 30,   December 31, 
          2019   2018 
          (In thousands) 
Description  Interest Rate  Maturity         
                
Warehouse lines of credit 

5.50% over one month

Libor (Minimum 6.50%)

   February 2021   $41,509   $38,198 
                   
  

3.00% over one month

Libor (Minimum 3.75%)

   September 2020    74,851    99,885 
                   
   6.75% over a commercial paper rate (Minimum 7.75%)   November 2019    24,400     
                   
Residual interest financing  8.60%   January 2026    40,000    40,000 
                   
Subordinated renewable notes 

Weighted average rate of 8.71% and 8.53% at June 30, 2019 and

December 31, 2018 , respectively

   Weighted average maturity of September 2021 and January 2021 at June 30, 2019 and December 31, 2018, respectively    14,368    17,290 
                   
           $195,128   $195,373