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RETIREMENT PLANS (Tables)
12 Months Ended
Dec. 31, 2012
RETIREMENT PLANS [Abstract]  
Summary of funding and administrative cost of qualified noncontributory defined benefit retirement plan and 401(k) plan charged to salaries and employee benefits
Funding and administrative costs of the qualified noncontributory defined benefit retirement plan and 401(k) plan charged to salaries and employee benefits in the consolidated statements of income for the years ended December 31 were as follows (in thousands):

   
2012
  
2011
  
2010
 
           
Qualified noncontributory defined benefit retirement plan
 $355   543   360 
              
401(k) plan
  275   290   277 

Components of net periodic pension cost of nonqualified defined benefit retirement plan
The components of net periodic pension cost of the nonqualified defined benefit retirement plan for the years ended December 31 are summarized as follows (in thousands):

   
2012
  
2011
  
2010
 
Service cost
 $89   111   174 
Interest cost
  43   35   32 
Amortization of unrecognized (gain) loss
  20   (28)  (1)
Amortization of unrecognized prior service cost
  29   32   48 
     Net periodic pension cost
 $181   150   253 
 
Reconciliation of changes in projected benefit obligation of nonqualified defined benefit retirement plan
A reconciliation of changes in the projected benefit obligation of the nonqualified defined benefit retirement plan at December 31 follows (in thousands):

 
2012
 
 
2011
 
 
2010
 
Projected benefit obligation at beginning of year
 
$
969
 
 
 
636
 
 
 
544
 
Service cost
 
 
89
 
 
 
111
 
 
 
174
 
Interest cost
 
 
43
 
 
 
35
 
 
 
32
 
Actuarial (gain) or loss
 
 
52
 
 
 
305
 
 
 
(114
)
Settlements
 
 
-
 
 
 
(74
)
 
 
-
 
Curtailment
 
 
-
 
 
 
(44
)
 
 
-
 
Projected benefit obligation at end of year
 
$
1,153
 
 
 
969
 
 
 
636
 
Amount recognized in accumulated other comprehensive income net of deferred income taxes for nonqualified defined benefit plan
Amounts recognized in accumulated other comprehensive income at December 31 for the nonqualified defined benefit retirement plan consists of (in thousands):

 
2012
 
 
2011
 
 
2010
 
Net actuarial (gain)/loss
 
$
125
 
 
 
103
 
 
 
(117
)
Past service cost
 
 
29
 
 
 
49
 
 
 
225
 
 
$
154
 
 
 
152
 
 
 
108
 
Estimated amounts amortized from accumulated other comprehensive income into net periodic benefit cost under nonqualified defined benefit retirement plan
The estimated amounts that will be amortized from accumulated other comprehensive income into net periodic benefit cost during 2013 for the nonqualified defined benefit retirement plan are (in thousands):

Net actuarial loss
 $25 
Past service cost
  29 
   $54 
 
Key weighted-average assumptions to determine benefit obligation and net periodic pension costs
Key weighted-average assumptions used to determine the benefit obligation and net periodic pension costs for the nonqualified defined benefit retirement plan for the years ended December 31 were as follows:

 
2012
 
 
2011
 
 
2010
 
Benefit obligation:
 
 
 
 
 
 
 
 
 
  Discount rate
 
 
4.05
%
 
 
4.40
%
 
 
5.54
%
  Salary increase rate
 
 
3.00
%
 
 
3.00
%
 
 
3.00
%
 
 
 
 
 
 
 
 
 
 
 
 
Net periodic pension cost:
 
 
 
 
 
 
 
 
 
 
 
 
  Discount rate
 
 
4.40
%
 
 
5.54
%
 
 
5.92
%
  Salary increase rate
 
 
3.00
%
 
 
3.00
%
 
 
4.00
%
  Amortization period in years
 
 
2.98
 
 
 
6.92/3.48
 
 
 
7.90
 
Expected Benefit Payments
The nonqualified defined benefit retirement plan is not funded.  Therefore no contributions will be made in 2012.  Estimated future benefit payments reflecting expected future service for the years ended after December 31, 2012 are (in thousands):

2013
  15 
2014
  15 
2015
  54 
2016
  59 
2017
  112 
2018-2022
  559