ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

3 Months Ended

Mar. 31, 2015

Accumulated Other Comprehensive Income (Loss).

Schedule of components of other comprehensive income (loss)

	Before Tax		Tax Effect		Net of Tax
	(Dollars in thousands)
Three Months Ended March 31, 2015
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	11,476	$	4,567	$	6,909

Defined benefit plans:
Amortization of net actuarial losses	420		165		255
Amortization of net transition obligation	4		2		2
Amortization of prior service cost	5		2		3
Defined benefit plans, net	429		169		260

Other comprehensive income	$	11,905	$	4,736	$	7,169

Three Months Ended March 31, 2014
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	15,944	$	6,368	$	9,576

Defined benefit plans:
Amortization of net actuarial losses	305		123		182
Amortization of net transition obligation	4		2		2
Amortization of prior service cost	5		2		3
Defined benefit plans, net	314		127		187

Other comprehensive income	$	16,258	$	6,495	$	9,763

Schedule of changes in each component of AOCI, net of tax

				Defined			Accumulated Other
	Investment			Benefit			Comprehensive
	Securities			Plans			Income (Loss)
	(Dollars in thousands)
Three Months Ended March 31, 2015
Balance at beginning of period	$	13,586		$	(10,427	)	$	3,159

Other comprehensive income before reclassifications	6,909			—			6,909
Amounts reclassified from AOCI	—			260			260
Total other comprehensive income	6,909			260			7,169

Balance at end of period	$	20,495		$	(10,167	)	$	10,328

Three Months Ended March 31, 2014
Balance at beginning of period	$	(9,125	)	$	(6,720	)	$	(15,845	)

Other comprehensive income before reclassifications	9,576			—			9,576
Amounts reclassified from AOCI	—			187			187
Total other comprehensive income	9,576			187			9,763

Balance at end of period	$	451		$	(6,533	)	$	(6,082	)

Schedule of amounts reclassified out of each component of AOCI

	Amount Reclassified from AOCI						Affected Line Item in the
	Three Months Ended March 31,						Statement Where Net
Details about AOCI Components	2015			2014			Income is Presented
	(Dollars in thousands)
Amortization of defined benefit plan items
Net actuarial losses	$	(420	)	$	(305	)	(1)
Net transition obligation	(4		)	(4		)	(1)
Prior service cost	(5		)	(5		)	(1)
	(429		)	(314		)	Total before tax
	169			127			Tax benefit
Total reclassifications for the period	$	(260	)	$	(187	)	Net of tax

(1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 14 for additional details).