ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

6 Months Ended

Jun. 30, 2017

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

Schedule of beginning and ending balances of accumulated other comprehensive income

The following table reconciles, by component, the beginning and ending balances of accumulated other comprehensive income, net of tax.

	Accumulated other comprehensive income by component
($ in thousands)	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations			Total
Balance at December 31, 2016	$	49,748		$	(3,667	)	$	46,081
Other comprehensive income before reclassifications	17,979			—			17,979
Amounts reclassified from accumulated other comprehensive income	(4,135		)	(545		)	(4,680		)
Other comprehensive income (loss)	13,844			(545		)	13,299
Balance at June 30, 2017	$	63,592		$	(4,212	)	$	59,380

Amounts reclassified out of accumulated other comprehensive income (loss)

The following tables display amounts reclassified out of accumulated other comprehensive income and into net income during the three and six months ended June 30, 2017 and 2016, respectively.

($ in thousands)	Amounts reclassified from accumulated other comprehensive income
Accumulated other comprehensive income components	Three months ended   June 30, 2017			Six months ended   June 30, 2017			Affected line item in the consolidated statements of income
Unrealized gains on investments:
Reclassification adjustment for net realized investment gains included in net income	$	4,702		$	6,362		Net realized investment gains
Deferred income tax expense	(1,646		)	(2,227		)	Income tax expense, current
Net reclassification adjustment	3,056			4,135
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(369		)	(737		)	(1)
Prior service credit	788			1,575			(1)
Total before tax	419			838
Deferred income tax expense	(146		)	(293		)	Income tax expense, current
Net reclassification adjustment	273			545
Total reclassification adjustment	$	3,329		$	4,680

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

($ in thousands)	Amounts reclassified from accumulated other comprehensive income
Accumulated other comprehensive income components	Three months ended June 30, 2016			Six months ended June 30, 2016			Affected line item in the consolidated statements of income
Unrealized gains on investments:
Reclassification adjustment for net realized investment gains included in net income	$	3,061		$	3,890		Net realized investment gains
Deferred income tax expense	(1,071		)	(1,361		)	Income tax expense, current
Net reclassification adjustment	1,990			2,529
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(415		)	(844		)	(1)
Prior service credit	782			1,599			(1)
Total before tax	367			755
Deferred income tax expense	(129		)	(265		)	Income tax expense, current
Net reclassification adjustment	238			490
Total reclassification adjustment	$	2,228		$	3,019

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).