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Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Profit Sharing Plan
Profit Sharing Plan
(Dollar amounts in thousands)
 
 
Years Ended December 31,
 
 
2015
 
2014
 
2013
Profit sharing expense (1)
 
$
6,919

 
$
6,354

 
$
2,914

Company dividends received by the Profit Sharing Plan
 
$
466

 
$
428

 
$
159

Company shares held by the Profit Sharing Plan at the end of the year:
 
 
 
 
 
 
Number of shares
 
1,277,567

 
1,364,558

 
1,426,708

Fair value
 
$
23,546

 
$
23,348

 
$
25,010


(1) 
Included in retirement and other employee benefits in the Consolidated Statements of Income.
Schedule of Pension Plan Cost and Obligation
Pension Plan Cost and Obligations
(Dollar amounts in thousands)
 
 
As of December 31,
 
 
2015
 
2014
Accumulated benefit obligation
 
$
67,185

 
$
67,283

Change in projected benefit obligation:
 
 
 
 
Beginning balance
 
$
67,283

 
$
61,292

Service cost
 

 

Interest cost
 
2,334

 
2,346

Settlements
 
(7,320
)
 
(6,502
)
Actuarial loss
 
5,336

 
10,508

Benefits paid
 
(448
)
 
(361
)
Ending balance
 
$
67,185

 
$
67,283

Change in fair value of plan assets:
 
 
 
 
Beginning balance
 
$
72,193

 
$
74,370

Actual return on plan assets
 
478

 
4,686

Benefits paid
 
(448
)
 
(361
)
Settlements
 
(7,320
)
 
(6,502
)
Ending balance
 
$
64,903

 
$
72,193

Funded status recognized in the Consolidated Statements of Financial Condition:
 
 
 
 
Noncurrent (liability) asset
 
$
(2,282
)
 
$
4,910

Amounts recognized in accumulated other comprehensive loss:
 
 
 
 
Prior service cost
 
$

 
$

Net loss
 
26,481

 
19,911

Net amount recognized
 
$
26,481

 
$
19,911

Actuarial losses included in accumulated other comprehensive loss as a percent of:
 
 
 
 
Accumulated benefit obligation
 
39.4
%
 
29.6
%
Fair value of plan assets
 
40.8
%
 
27.6
%
Amounts expected to be amortized from accumulated other comprehensive loss
  into net periodic benefit cost in the next fiscal year:
 
 
 
 
Prior service cost
 
$

 
$

Net loss
 
516

 
401

Net amount expected to be recognized
 
$
516

 
$
401

Weighted-average assumptions at the end of the year used to determine the
  actuarial present value of the projected benefit obligation:
 
 
 
 
Discount rate
 
3.99
%
 
3.60
%
Schedule of Net Periodic Benefit Pension Costs
Net Periodic Benefit Pension Cost
(Dollar amounts in thousands)
 
 
Years Ended December 31,
 
 
2015
 
2014
 
2013
Components of net periodic benefit cost:
 
 
 
 
 
 
Service cost
 
$

 
$

 
$
2,600

Interest cost
 
2,334

 
2,346

 
2,414

Expected return on plan assets
 
(4,333
)
 
(4,931
)
 
(4,299
)
Recognized net actuarial loss
 
367

 
249

 
1,453

Amortization of prior service cost
 

 

 
1

Recognized settlement loss
 
2,254

 
1,377

 

Net periodic cost (income)
 
622

 
(959
)
 
2,169

Other changes in plan assets and benefit obligations recognized as
  a charge to other comprehensive (loss) income:
Net (loss) gain for the period
 
(9,191
)
 
(10,752
)
 
16,146

Amortization of prior service cost
 

 

 
1

Amortization of net loss
 
2,621

 
1,625

 
1,453

Total unrealized (loss) gain
 
(6,570
)
 
(9,127
)
 
17,600

Total recognized in net periodic pension cost and other
  comprehensive (loss) income
 
$
(7,192
)
 
$
(8,168
)
 
$
15,431

Weighted-average assumptions used to determine the net periodic
  cost:
Discount rate
 
3.60
%
 
4.30
%
 
3.40
%
Expected return on plan assets
 
6.50
%
 
7.25
%
 
7.25
%
Rate of compensation increase
 
N/A

(1) 
N/A

(1) 
2.50
%
N/A – Not applicable.
(1) 
The rate of compensation increase is no longer applicable in determining the net periodic cost due to the amendment to freeze benefit accruals, which is discussed above.
Schedule of Pension Plan Asset Allocation
Pension Plan Asset Allocation
(Dollar amounts in thousands)
 
 
 
 
 
 
Percentage of Plan Assets
as of December 31,
 
 
Target Allocation
 
Fair Value of Plan Assets (1)
 
 
 
2015
 
2014
Asset Category:
 
 
 
 
 
 
 
 
Equity securities
 
50 - 60%
 
$
38,314

 
59
%
 
59
%
Fixed income
 
30 - 48%
 
22,457

 
35
%
 
36
%
Cash equivalents
 
2 - 10%
 
4,132

 
6
%
 
5
%
Total
 
 
 
$
64,903

 
100
%
 
100
%

(1) 
Additional information regarding the fair value of Pension Plan assets as of December 31, 2015 can be found in Note 22, "Fair Value."
Schedule of Estimated Future Pension Benefit Payments
Estimated future pension benefit payments for fiscal years ending December 31, 2016 through 2025 are as follows.
Estimated Future Pension Benefit Payments
(Dollar amounts in thousands)
 
 
Total
Year ending December 31,
 
 
2016
 
$
11,175

2017
 
7,052

2018
 
5,755

2019
 
5,241

2020
 
4,538

2021-2025
 
19,363