Statutory Information and Restrictions (Tables)

12 Months Ended

Dec. 31, 2017

Insurance [Abstract]

Statutory surplus and subsidiary dividend restrictions

Reconciliations of statutory capital and surplus and net income, as determined using statutory accounting principles, to the amounts included in the accompanying consolidated financial statements are as follows:

($ in thousands)	December 31,
	2017			2016
Statutory capital and surplus of insurance subsidiaries	$	944,139		$	912,336
Increase (decrease) due to:
Deferred policy acquisition costs	257,826			267,580
Difference in policyholder reserves	111,188			98,360
Goodwill	47,396			47,396
Investment fair value adjustments on fixed maturity securities	415,775			301,518
Difference in investment reserves	111,225			125,805
Federal income tax liability	(162,634		)	(228,090		)
Net funded status of pension and other postretirement benefit obligations	(16,789		)	(18,250		)
Non-admitted assets and other, net	28,870			22,888
Shareholders' equity of parent company and non-insurance subsidiaries	12,046			11,648
Parent company short-term and long-term debt	(247,469		)	(247,209		)
Shareholders' equity as reported herein	$	1,501,573		$	1,293,982

($ in thousands)	Years Ended December 31,
	2017			2016			2015
Statutory net income of insurance subsidiaries	$	82,587		$	74,574		$	87,619
Net loss of non-insurance companies	(4,496		)	(5,135		)	(4,474		)
Interest expense	(11,836		)	(11,808		)	(13,122		)
Debt retirement costs	—			—			(2,338		)
Tax benefit of interest expense and other parent company current tax adjustments	5,654			5,637			6,829
Combined net income	71,909			63,268			74,514
Increase (decrease) due to:
Deferred policy acquisition costs	9,385			19,442			13,249
Policyholder benefits	30,609			14,919			14,065
Federal income tax (expense) benefit	84,198			(5,312		)	(6,678		)
Investment reserves	(20,966		)	(1,320		)	7,339
Other adjustments, net	(5,676		)	(7,232		)	(9,007		)
Net income as reported herein	$	169,459		$	83,765		$	93,482