ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

6 Months Ended

Jun. 30, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

15. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following tables present the components of other comprehensive income for the three and six months ended June 30, 2017 and 2016, by component:

(dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Three Months Ended June 30, 2017
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	3,001	$	1,193	$	1,808
Less: Reclassification adjustment for losses realized in net income	1,640		653		987
Net unrealized gains on investment securities	4,641		1,846		2,795
Defined benefit plans:
Amortization of net actuarial loss	325		222		103
Amortization of net transition obligation	5		2		3
Amortization of prior service cost	4		2		2
Settlement	138		56		82
Defined benefit plans, net	472		282		190
Other comprehensive income	$	5,113	$	2,128	$	2,985

(dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Three Months Ended June 30, 2016
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	9,737	$	3,871	$	5,866
Less: Reclassification adjustment for losses realized in net income	—		—		—
Net unrealized gains on investment securities	9,737		3,871		5,866
Defined benefit plans:
Amortization of net actuarial loss	366		124		242
Amortization of net transition obligation	4		1		3
Amortization of prior service cost	5		1		4
Defined benefit plans, net	375		126		249
Other comprehensive income	$	10,112	$	3,997	$	6,115

(dollars in thousands)	Before Tax			Tax Effect			Net of Tax
Six Months Ended June 30, 2017
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	6,528		$	2,596		$	3,932
Less: Reclassification adjustment for losses realized in net income	1,640			653			987
Net unrealized gains on investment securities	8,168			3,249			4,919
Defined benefit plans:
Net actuarial losses arising during the period	(1,042		)	(415		)	(627		)
Amortization of net actuarial loss	647			287			360
Amortization of net transition obligation	9			3			6
Amortization of prior service cost	8			3			5
Settlement	138			56			82
Defined benefit plans, net	(240		)	(66		)	(174		)
Other comprehensive income	$	7,928		$	3,183		$	4,745

(dollars in thousands)	Before Tax		Tax Effect		Net of Tax
Six Months Ended June 30, 2016
Net unrealized gains on investment securities:
Net unrealized gains arising during the period	$	29,420	$	11,701	$	17,719
Less: Reclassification adjustment for losses realized in net income	—		—		—
Net unrealized gains on investment securities	29,420		11,701		17,719
Defined benefit plans:
Net actuarial losses arising during the period	—		—		—
Amortization of net actuarial loss	733		248		485
Amortization of net transition obligation	8		2		6
Amortization of prior service cost	10		2		8
Defined benefit plans, net	751		252		499
Other comprehensive income	$	30,171	$	11,953	$	18,218

The following tables present the changes in each component of accumulated other comprehensive income (loss) ("AOCI"), net of tax, for the three and six months ended June 30, 2017 and 2016:

(dollars in thousands)	Investment Securities		Defined Benefit Plans			Accumulated Other Comprehensive Income
Three Months Ended June 30, 2017
Balance at beginning of period	$	6,853	$	(6,614	)	$	239
Other comprehensive income before reclassifications	1,808		—			1,808
Amounts reclassified from AOCI	987		190			1,177
Total other comprehensive income	2,795		190			2,985
Balance at end of period	$	9,648	$	(6,424	)	$	3,224

(dollars in thousands)	Investment Securities		Defined Benefit Plans			Accumulated Other Comprehensive Income
Three Months Ended June 30, 2016
Balance at beginning of period	$	21,034	$	(8,728	)	$	12,306
Other comprehensive income before reclassifications	5,866		—			5,866
Amounts reclassified from AOCI	—		249			249
Total other comprehensive income	5,866		249			6,115
Balance at end of period	$	26,900	$	(8,479	)	$	18,421

(dollars in thousands)	Investment Securities		Defined Benefit Plans			Accumulated Other Comprehensive Income
Six Months Ended June 30, 2017
Balance at beginning of period	$	4,729	$	(6,250	)	$	(1,521	)
Other comprehensive loss before reclassifications	3,932		(627		)	3,305
Amounts reclassified from AOCI	987		453			1,440
Total other comprehensive income (loss)	4,919		(174		)	4,745
Balance at end of period	$	9,648	$	(6,424	)	$	3,224

(dollars in thousands)	Investment Securities		Defined Benefit Plans			Accumulated Other Comprehensive Income
Six Months Ended June 30, 2016
Balance at beginning of period	$	9,181	$	(8,978	)	$	203
Other comprehensive income before reclassifications	17,719		—			17,719
Amounts reclassified from AOCI	—		499			499
Total other comprehensive income	17,719		499			18,218
Balance at end of period	$	26,900	$	(8,479	)	$	18,421

The following table presents the amounts reclassified out of each component of AOCI for the three and six months ended June 30, 2017 and 2016:

	Amount Reclassified from AOCI						Affected Line Item in the Statement Where Net Income is Presented
Details about AOCI Components	Three months ended June 30,
(dollars in thousands)	2017			2016
Sale of investment securities available for sale	$	(1,640	)	$	—		Investment securities losses
	653			—			Tax benefit
	$	(987	)	$	—		Net of tax
Amortization of defined benefit retirement and supplemental executive retirement plan items
Net actuarial loss	$	(325	)	$	(366	)	(1)
Net transition obligation	(5		)	(4		)	(1)
Prior service cost	(4		)	(5		)	(1)
Settlement	(138		)	—			(1)
	(472		)	(375		)	Total before tax
	282			126			Tax benefit
	$	(190	)	$	(249	)	Net of tax
Total reclassifications for the period	$	(1,177	)	$	(249	)	Net of tax

	Amount Reclassified from AOCI						Affected Line Item in the Statement Where Net Income is Presented
Details about AOCI Components	Six months ended June 30,
(dollars in thousands)	2017			2016
Sale of investment securities available for sale	$	(1,640	)	$	—		Investment securities losses
	653			—			Tax benefit
	$	(987	)	$	—		Net of tax
Amortization of defined benefit retirement and supplemental executive retirement plan items
Net actuarial loss	$	(647	)	$	(733	)	(1)
Net transition obligation	(9		)	(8		)	(1)
Prior service cost	(8		)	(10		)	(1)
Settlement	(138		)	—			(1)
	(802		)	(751		)	Total before tax
	349			252			Tax benefit
	$	(453	)	$	(499	)	Net of tax
Total reclassifications for the period	$	(1,440	)	$	(499	)	Net of tax

(1) These AOCI components are included in the computation of net periodic pension cost (see Note 14 - Pension and Supplemental Executive Retirement Plans for additional details).