EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Multiemployer Plan

		Funding Status of Pension Plan		FIP/RP Status Pending/ Implemented	Surcharge Imposed	Expiration Date of Collective- Bargaining Agreement	Minimum Contributions Required for Future Periods
	EIN/Pension Plan Number	2016	2015
Pentegra defined benefit plan for financial institutions	13-5645888/333	At least 80 percent	At least 80 percent	No	No	N/A	$	—

Schedule of Multiemployer Plan Contributions

The Company’s contributions to the Pension Plans were as follows for the periods indicated:

					Required Contributions - Plan Year Allocation
	Cash Payment		Future period funding		2016-2017		2015-2016		2014-2015
	(Dollars in thousands)
2016	$	6,245	$	4,000	$	2,245	$	—	$	—
2015	$	2,983	$	1,215	$	—	$	1,768	$	—
2014	$	1,320	$	—	$	—	$	—	$	1,320

Schedule of Supplemental Retirement Expense and Contributions Paid

The following table shows the defined benefit supplemental retirement expense, and the contributions paid to the plans which were used only to pay the current year benefits as of the dates indicated:

	2016		2015		2014
	(Dollars in thousands)
Retirement expense	$	1,513	$	1,834	$	954
Contributions paid	$	320	$	276	$	271

Schedule of Expected Benefit Payments

Expected future benefit payments for the defined benefit supplemental executive retirement plans are presented below:

	Defined Benefit Supplemental Executive Retirement Plans Expected Benefit Payments
	(Dollars in thousands)
2017	$	412
2018	$	414
2019	$	485
2020	$	471
2021	$	466
2022-2026	$	4,348

Schedule of Supplemental Executive Retirement Plans

The following table illustrates the status of the defined benefit supplemental executive retirement plans at December 31 for the years presented:

	Defined Benefit Supplemental Executive Retirement Benefits
	2016			2015			2014
	(Dollars in thousands)
Change in accumulated benefit obligation
Benefit obligation at beginning of year	$	13,290		$	12,537		$	8,243
Accumulated service cost	395			742			397
Interest cost	539			470			390
Plan amendment	—			—			1,357
Actuarial loss/(gain)	273			(183		)	2,421
Benefits paid	(320		)	(276		)	(271		)
Accumulated benefit obligation at end of year	$	14,177		$	13,290		$	12,537
Change in plan assets
Fair value of plan assets at beginning of year	$	—		$	—		$	—
Employer contribution	320			276			271
Benefits paid	(320		)	(276		)	(271		)
Fair value of plan assets at end of year	$	—		$	—		$	—
Funded status at end of year	$	(14,177	)	$	(13,290	)	$	(12,537	)
Assets	—			—			—
Liabilities	(14,177		)	(13,290		)	(12,537		)
Accrued benefit cost	$	(14,177	)	$	(13,290	)	$	(12,537	)
Amounts recognized in accumulated other comprehensive income (“AOCI”)
Net loss	$	2,830		$	2,859		$	3,305
Prior service cost	1,323			1,599			1,904
Amounts recognized in AOCI	$	4,153		$	4,458		$	5,209
Information for plans with an accumulated benefit obligation in excess of plan assets
Projected benefit obligation	$	14,177		$	13,290		$	12,537
Accumulated benefit obligation	$	14,177		$	13,290		$	12,537
Net periodic benefit cost
Service cost	$	395		$	742		$	397
Interest cost	539			470			390
Amortization of prior service cost	276			305			113
Recognized net actuarial loss	303			317			54
Net periodic benefit cost	$	1,513		$	1,834		$	954
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year
Net actuarial loss	$	338		$	270		$	309
Net prior service cost	$	276		$	276		$	947
Discount rate used for benefit obligation	2.49-3.94%			2.49-4.16%			2.24-3.84%
Discount rate used for net periodic benefit cost	2.49-4.16%			2.24-3.84%			2.43-4.76%
Rate of compensation increase	n/a			n/a			n/a