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Real Estate Real Estate (Tables)
9 Months Ended
Sep. 30, 2017
Real Estate [Abstract]  
Schedule of Real Estate Investments
Investment in real estate represents directly owned property held for investment, as follows:    
 
Carrying Value
 
September 30,
 
December 31,
(In thousands)
2017
 
2016
Properties in operation
$
451,669

 
$
457,237

Properties under development
939,605

 
727,744

Total
$
1,391,274

 
$
1,184,981