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Receivables (Tables)
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Receivables
Receivables consist of:
 
At Year-End
 
2014
 
2013
 
(In thousands)
Loan secured by real estate
$
3,574

 
$
7,610

Other loans secured by real estate, average interest rate of 4.41% at year-end 2014 and 5.00% at year-end 2013
1,737

 
7,987

Oil and gas joint interest billing receivables
5,738

 
3,896

Oil and gas revenue accruals
7,293

 
8,137

Other receivables and accrued interest
6,505

 
11,648

 
24,847

 
39,278

Allowance for bad debts
(258
)
 
(26
)
 
$
24,589

 
$
39,252
Estimated Accretable Yield
Estimated accretable yield is as follows:
 
At Year-End
 
2014
 
2013
 
(In thousands)
Beginning of year
$
8,908

 
$
25,149

Change in accretable yield due to change in timing of estimated cash flows
(166
)
 
(10,950
)
Interest income recognized
(7,903
)
 
(5,291
)
 
$
839

 
$
8,908