ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

6 Months Ended

Jun. 30, 2018

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

Summary of Changes in the Accumulated Balances for Each Component of AOCI

The following tables summarize the changes in the accumulated balances for each component of accumulated other comprehensive income (loss) (“AOCI”) as of June 30, 2018 and December 31, 2017.

Changes in Accumulated Other Comprehensive Income (Loss) by Component



	Unrealized Gains and Losses on Investments⁽²⁾			Accumulated Gain and Loss Derivatives		Minimum Pension Liability Adjustment			Total Accumulated Other Comprehensive Income (Loss)
	(Dollars In Thousands, Net of Tax)
Beginning Balance, December 31, 2017	$	25,874		$	747	$	(13,925	)	$	12,696
Other comprehensive income (loss) before reclassifications	(1,005,262		)	2,831		—			(1,002,431		)
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings	(3,691		)	—		—			(3,691		)
Amounts reclassified from accumulated other comprehensive income (loss)⁽¹⁾	22			251		—			273
Net current-period other comprehensive income (loss)	(1,008,931		)	3,082		—			(1,005,849		)
Cumulative effect adjustments	(10,552		)	—		—			(10,552		)
Ending Balance, June 30, 2018	$	(993,609	)	$	3,829	$	(13,925	)	$	(1,003,705	)

(1) See Reclassification table below for details.
(2) As of June 30, 2018, net unrealized losses reported in AOCI were offset by $361.6 million due to the impact those net unrealized losses would have had on certain of the Company’s insurance assets and liabilities if the net unrealized losses had been recognized in net income.

Changes in Accumulated Other Comprehensive Income (Loss) by Component



	Unrealized Gains and Losses on Investments⁽²⁾			Accumulated Gain and Loss Derivatives			Minimum Pension Liability Adjustment			Total Accumulated Other Comprehensive Income (Loss)
	(Dollars In Thousands, Net of Tax)
Beginning Balance, December 31, 2016	$	(656,322	)	$	727		$	1,072		$	(654,523	)
Other comprehensive income (loss) before reclassifications	700,536			(563		)	(15,726		)	684,247
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings	7,153			—			—			7,153
Amounts reclassified from accumulated other comprehensive income (loss)⁽¹⁾	642			451			501			1,594
Net current-period other comprehensive income (loss)	708,331			(112		)	(15,225		)	692,994
Cumulative effect adjustments	(26,135		)	132			228			(25,775		)
Ending Balance, December 31, 2017	$	25,874		$	747		$	(13,925	)	$	12,696

(1) See Reclassification table below for details.
(2) As of December 31, 2016 and December 31, 2017, net unrealized losses reported in AOCI were offset by $424.1 million and $(6.3) million, respectively, due to the impact those net unrealized losses would have had on certain of the Company’s insurance assets and liabilities if the net unrealized losses had been recognized in net income.

Schedule of Reclassifications Amounts Out of AOCI

The following tables summarize the reclassifications amounts out of AOCI for the three and six months ended June 30, 2018 and 2017.

Reclassifications Out of Accumulated Other Comprehensive Income (Loss)



	Amount Reclassified from Accumulated
	Other Comprehensive			Affected Line Item in the
For The Three Months Ended June 30, 2018	Income (Loss)			Consolidated Condensed Statements of Income
	(Dollars In Thousands)
Gains and losses on derivative instruments
Net settlement (expense)/benefit⁽¹⁾	$	(205	)	Benefits and settlement expenses, net of reinsurance ceded
	(205		)	Total before tax
	43			Tax (expense) or benefit
	$	(162	)	Net of tax
Unrealized gains and losses on available-for-sale securities
Net investment gains (losses)	$	5,539		Realized investment gains (losses): All other investments
Impairments recognized in earnings	(5		)	Net impairment losses recognized in earnings
	5,534			Total before tax
	(1,162		)	Tax (expense) or benefit
	$	4,372		Net of tax

(1) See Note 7, Derivative Financial Instruments for additional information.

Reclassifications Out of Accumulated Other Comprehensive Income (Loss)



	Amount Reclassified from Accumulated
	Other Comprehensive			Affected Line Item in the
For The Six Months Ended June 30, 2018	Income (Loss)			Consolidated Condensed Statements of Income
	(Dollars In Thousands)
Gains and losses on derivative instruments
Net settlement (expense)/benefit⁽¹⁾	$	(318	)	Benefits and settlement expenses, net of reinsurance ceded
	(318		)	Total before tax
	67			Tax (expense) or benefit
	$	(251	)	Net of tax
Unrealized gains and losses on available-for-sale securities
Net investment gains (losses)	$	8,322		Realized investment gains (losses): All other investments
Impairments recognized in earnings	(3,650		)	Net impairment losses recognized in earnings
	4,672			Total before tax
	(981		)	Tax (expense) or benefit
	$	3,691		Net of tax

(1) See Note 7, Derivative Financial Instruments for additional information.

Reclassifications Out of Accumulated Other Comprehensive Income (Loss)



	Amount Reclassified from Accumulated
	Other Comprehensive			Affected Line Item in the
For The Three Months Ended June 30, 2017	Income (Loss)			Consolidated Condensed Statements of Income
	(Dollars In Thousands)
Gains and losses on derivative instruments
Net settlement (expense)/benefit⁽¹⁾	$	(153	)	Benefits and settlement expenses, net of reinsurance ceded
	(153		)	Total before tax
	53			Tax (expense) or benefit
	$	(100	)	Net of tax
Unrealized gains and losses on available-for-sale securities
Net investment gains (losses)	$	(1,087	)	Realized investment gains (losses): All other investments
Impairments recognized in earnings	(2,785		)	Net impairment losses recognized in earnings
	(3,872		)	Total before tax
	1,355			Tax (expense) or benefit
	$	(2,517	)	Net of tax

Reclassifications Out of Accumulated Other Comprehensive Income (Loss)



	Amount Reclassified from Accumulated
	Other Comprehensive			Affected Line Item in the
For The Six Months Ended June 30, 2017	Income (Loss)			Consolidated Condensed Statements of Income
	(Dollars In Thousands)
Gains and losses on derivative instruments
Net settlement (expense)/benefit⁽¹⁾	$	(358	)	Benefits and settlement expenses, net of reinsurance ceded
	(358		)	Total before tax
	125			Tax (expense) or benefit
	$	(233	)	Net of tax
Unrealized gains and losses on available-for-sale securities
Net investment gains (losses)	$	8,394		Realized investment gains (losses): All other investments
Impairments recognized in earnings	(10,616		)	Net impairment losses recognized in earnings
	(2,222		)	Total before tax
	777			Tax (expense) or benefit
	$	(1,445	)	Net of tax