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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Components of Net Period Benefit Cost
The components of net period benefit cost for the periods ended June 30, 2016 and 2015 were as follows:
Supplemental Executive Retirement Plan:
 
 
Three Months Ended 
 June 30,
 
Six Months Ended June 30,
Net periodic benefit cost
 
2016
 
2015
 
2016
 
2015
Service cost
 
$
77

 
$
77

 
$
154

 
$
154

Interest cost
 
108

 
106

 
216

 
212

Recognized net actuarial loss
 
55

 
54

 
110

 
108

Recognized prior service cost
 
2

 
5

 
4

 
10

Net period benefit cost(1)
 
$
242

 
$
242

 
$
484

 
$
484

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

Other Postretirement Benefit Plan:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
Net periodic benefit cost
 
2016
 
2015
 
2016
 
2015
Service cost
 
$
15

 
$
15

 
$
30

 
$
30

Interest cost
 
38

 
29

 
76

 
58

Recognized net actuarial loss
 
8

 
6

 
16

 
12

Amortization of prior service credit
 
(6
)
 
(6
)
 
(12
)
 
(12
)
Net period benefit cost(1)
 
$
55

 
$
44

 
$
110

 
$
88

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