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EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of Net Period Benefit Cost
The components of net period benefit cost for the periods ended September 30, 2015 and 2014 were as follows:

Supplemental Executive Retirement Plan:
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended September 30,
Net periodic benefit cost
 
2015
 
2014
 
2015
 
2014
Service cost
 
$
77

 
$
67

 
$
231

 
$
201

Interest cost
 
106

 
114

 
318

 
342

Recognized net actuarial loss
 
54

 
35

 
162

 
105

Recognized prior service cost
 
5

 
5

 
15

 
15

Net period benefit cost(1)
 
$
242

 
$
221

 
$
726

 
$
663

(1) Presented within the consolidated statements of income within salaries and employee benefits.

Other Postretirement Benefit Plan:
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Net periodic benefit cost
 
2015
 
2014
 
2015
 
2014
Service cost
 
$
15

 
$
11

 
$
45

 
$
33

Interest cost
 
29

 
33

 
87

 
99

Recognized net actuarial loss
 
6

 
2

 
18

 
6

Amortization of prior service credit
 
(6
)
 
(5
)
 
(18
)
 
(15
)
Net period benefit cost(1)
 
$
44

 
$
41

 
$
132

 
$
123

(1) Presented within the consolidated statements of income within salaries and employee benefits.