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Retirement Agreements And Other Postretirement Benefits (Tables)
 3 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Components Of Net Periodic Benefits Cost
The following sets forth the net periodic benefits cost for the executive benefits for the periods ended March 31, 2018 and 2017:
 
Three Months Ended
March 31,
 (in thousands)
2018
 
2017
Service cost – benefits earned during the year
$
—

 
$
—

Interest cost on the projected benefit obligation
8

 
9

Amortization of unrecognized losses
—

 
2

Net periodic benefits costs
$
8

 
$
11