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Organization and Basis of Presentation (Tables)
6 Months Ended
Jun. 30, 2012
Organization and Basis of Presentation [Abstract]  
Schedule of Available-for-sale Securities Reconciliation
As of June 30, 2012 and December 31, 2011 marketable securities consist of the following ($ in thousands):

June 30, 2012
Cost/
Gross
Amortized
Unrealized
Cost
Gain(Loss)
Fair Value
Available for sale:
Investment-grade unsecured bonds
$5,227$(22)$5,205
Investment funds - US treasuries
15,38359315,976
Common stock
42,97072143,691
Held to maturity:
Mortgage backed securities
49,294-49,294
Total
$112,874$1,292$114,166
December 31, 2011
Cost/
Gross
Amortized
Unrealized
Cost
Gain
Fair Value
Available for sale:
Investment-grade unsecured bonds
$3,615$399$4,014
Investment funds - US treasuries
11,78312111,904
Common stock
10,0671,55211,619
Held to maturity:
Mortgage backed securities
46,738-46,738
Total
$72,203$2,072$74,275