Stockholders' Equity and Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2014

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]



($ in thousands)
Period	Shares Purchased in Connection with Restricted Stock Vestings and Stock Option Exercises	Cost of Shares Purchased in Connection with Restricted Stock Vestings and Stock Option Exercises
2014	154,559	$	3,563
2013	167,846	3,716
2012	194,575	3,495

Schedule of Components of Comprehensive Income-Gross and Net of Tax



2014
($ in thousands)	Gross			Tax		Net
Net income	$	197,131		55,304		141,827
Components of OCI:
Unrealized gains on investment securities:
Unrealized holding gains during the year	72,940			25,529		47,411
Amounts reclassified into net income:
HTM securities	(1,299		)	(455	)	(844	)
Non-credit OTTI	1,669			584		1,085
Realized gains on AFS securities	(28,864		)	(10,102	)	(18,762	)
Net unrealized gains	44,446			15,556		28,890
Defined benefit pension and post-retirement plans:
Net actuarial loss	(54,136		)	(18,947	)	(35,189	)
Amounts reclassified into net income:
Net actuarial loss	1,902			666		1,236
Defined benefit pension and post-retirement plans	(52,234		)	(18,281	)	(33,953	)
Other comprehensive loss	(7,788		)	(2,725	)	(5,063	)
Comprehensive income	$	189,343		52,579		136,764



2013
($ in thousands)	Gross			Tax		Net
Net income	$	142,267		35,849		106,418
Components of OCI:
Unrealized losses on investment securities:
Unrealized holding losses during the period	(83,934		)	(29,377	)	(54,557	)
Non-credit OTTI recognized in OCI	77			27		50
Amounts reclassified into net income:
HTM securities	(1,577		)	(552	)	(1,025	)
Non-credit OTTI	14			5		9
Realized gains on AFS securities	(23,540		)	(8,239	)	(15,301	)
Net unrealized losses	(108,960		)	(38,136	)	(70,824	)
Defined benefit pension and post-retirement plans:
Net actuarial gain	59,654			20,879		38,775
Amounts reclassified into net income:
Net actuarial loss	4,374			1,531		2,843
Prior service cost	10			4		6
Curtailment expense	16			5		11
Defined benefit pension and post-retirement plans	64,054			22,419		41,635
Other comprehensive loss	(44,906		)	(15,717	)	(29,189	)
Comprehensive income	$	97,361		20,132		77,229



2012
($ in thousands)	Gross			Tax		Net
Net income	$	37,635		(328	)	37,963
Components of OCI:
Unrealized gains on investment securities:
Unrealized holding gains during the period	47,594			16,657		30,937
Non-credit OTTI recognized in OCI	2,554			894		1,660
Amounts reclassified into net income:
HTM securities	(2,432		)	(851	)	(1,581	)
Non-credit OTTI	280			98		182
Realized gains on AFS securities	(9,412		)	(3,294	)	(6,118	)
Net unrealized gains	38,584			13,504		25,080
Defined benefit pension and post-retirement plans:
Net actuarial loss	(26,566		)	(9,298	)	(17,268	)
Amounts reclassified into net income:
Net actuarial loss	5,903			2,066		3,837
Prior service cost	150			53		97
Defined benefit pension and post-retirement plans	(20,513		)	(7,179	)	(13,334	)
Other comprehensive income	18,071			6,325		11,746
Comprehensive income	$	55,706		5,997		49,709

Schedule of Components of Accumulated Other Comprehensive Income



	Net Unrealized (Loss) Gain on Investment Securities
($ in thousands)	OTTI Related			HTM Related		All Other		Investments Subtotal		Defined Benefit Pension and Post- retirement Plans		Total AOCI
Balance, December 31, 2012	$	(1,658	)	2,594		121,391		122,327		(68,287	)	54,040
OCI before reclassifications	50			(102	)	(54,455	)	(54,507	)	38,775		(15,732	)
Amounts reclassified from AOCI	9			(1,025	)	(15,301	)	(16,317	)	2,860		(13,457	)
Net current period OCI	59			(1,127	)	(69,756	)	(70,824	)	41,635		(29,189	)
Balance, December 31, 2013	(1,599		)	1,467		51,635		51,503		(26,652	)	24,851
OCI before reclassifications	—			—		47,411		47,411		(35,189	)	12,222
Amounts reclassified from AOCI	1,085			(844	)	(18,762	)	(18,521	)	1,236		(17,285	)
Net current period OCI	1,085			(844	)	28,649		28,890		(33,953	)	(5,063	)
Balance, December 31, 2014	$	(514	)	623		80,284		80,393		(60,605	)	19,788

Schedule of Reclassification out of Accumulated Other Comprehensive Income



						Affected Line Item in the Consolidated Statement of Income
($ in thousands)	Year ended December 31, 2014			Year ended December 31, 2013		Affected Line Item in the Consolidated Statement of Income
OTTI related
Amortization of non-credit OTTI losses on HTM securities	$	—		14		Net investment income earned
Non-credit OTTI on disposed securities	1,669			—		Net realized gains
	1,669			14		Income from continuing operations, before federal income tax
	(584		)	(5	)	Total federal income tax expense (benefit)
	1,085			9		Net income
HTM related
Unrealized gains and losses on HTM disposals	157			390		Net realized investment gains
Amortization of net unrealized gains on HTM securities	(1,456		)	(1,967	)	Net investment income earned
	(1,299		)	(1,577	)	Income from continuing operations, before federal income tax
	455			552		Total federal income tax expense (benefit)
	(844		)	(1,025	)	Net income
Realized gains and losses on AFS
Realized gains and losses on AFS disposals	(28,864		)	(23,540	)	Net realized investment gains
	(28,864		)	(23,540	)	Income from continuing operations, before federal income tax
	10,102			8,239		Total federal income tax expense (benefit)
	(18,762		)	(15,301	)	Net income
Defined benefit pension and post-retirement life plans
Net actuarial loss	331			909		Losses and loss expenses incurred
	1,571			3,465		Policy acquisition costs
	1,902			4,374		Income from continuing operations, before federal income tax

Prior service cost	—			7		Losses and loss expenses incurred
	—			3		Policy acquisition costs
	—			10		Income from continuing operations, before federal income tax

Curtailment expense	—			16		Policy acquisition costs
	—			16		Income from continuing operations, before federal income tax

Total defined benefit pension and post-retirement life	1,902			4,400		Income from continuing operations, before federal income tax
	(666		)	(1,540	)	Total federal income tax expense (benefit)
	1,236			2,860		Net income

Total reclassifications for the period	$	(17,285	)	(13,457	)	Net income