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Receivables
 3 Months Ended
Mar. 31, 2018
Receivables [Abstract]  
Receivables
Receivables
Receivables consist of:
 
March 31,
2018
 
December 31,
2017
 
(In thousands)
Other receivables and accrued interest
$
1,416

 
$
2,557

Loans secured by real estate, average interest rate of 5.40%
     at March 31, 2018 and at December 31, 2017
3,170

 
3,776

 
4,586

 
6,333

Allowance for bad debts
(26
)
 
(26
)
 
$
4,560

 
$
6,307