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Real Estate (Tables)
12 Months Ended
Dec. 31, 2018
Real Estate [Abstract]  
Schedule of real estate properties Investment in real estate represents directly owned property held for investment, as follows:    
 
As of December 31,
(In thousands)
2018
 
2017
Properties in operation
$
1,279,584

 
$
451,691

Properties under development
677,508

 
1,017,910

Total
$
1,957,092

 
$
1,469,601