Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2014

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

Summary of activity in accumulated other comprehensive income

			Investments	Defined Benefit			Accumulated
			Securities		Pension and		Other
			Available	Post Retirement			Comprehensive
	($ in Thousands)		For Sale		Obligations		Income (Loss)
Balance January 1, 2014		$	(11,396)	$	(12,848)	$	(24,244)
Other comprehensive income before reclassifications			56,184		-		56,184
Amounts reclassified from accumulated other comprehensive income (loss)			(412)		662		250
Income tax expense			(21,441)		(255)		(21,696)
Net other comprehensive income during period			34,331		407		34,738
Balance June 30, 2014		$	22,935	$	(12,441)	$	10,494
Balance January 1, 2013		$	86,109	$	(37,506)	$	48,603
Other comprehensive loss before reclassifications			(121,760)		-		(121,760)
Amounts reclassified from accumulated other comprehensive income (loss)			(334)		2,180		1,846
Income tax (expense) benefit			47,138		(842)		46,296
Net other comprehensive income (loss) during period			(74,956)		1,338		(73,618)
Balance June 30, 2013		$	11,153	$	(36,168)	$	(25,015)
			Investments	Defined Benefit			Accumulated
			Securities		Pension and		Other
			Available	Post Retirement			Comprehensive
			For Sale		Obligations		Income (Loss)
Balance April 1, 2014		$	1,067	$	(12,644)	$	(11,577)
Other comprehensive income before reclassifications			35,557		-		35,557
Amounts reclassified from accumulated other comprehensive income (loss)			(34)		331		297
Income tax expense			(13,655)		(128)		(13,783)
Net other comprehensive income during period			21,868		203		22,071
Balance June 30, 2014		$	22,935	$	(12,441)	$	10,494
Balance April 1, 2013		$	79,828	$	(36,837)	$	42,991
Other comprehensive loss before reclassifications			(111,829)		-		(111,829)
Amounts reclassified from accumulated other comprehensive income (loss)			(34)		1,090		1,056
Income tax (expense) benefit			43,188		(421)		42,767
Net other comprehensive income (loss) during period			(68,675)		669		(68,006)
Balance June 30, 2013		$	11,153	$	(36,168)	$	(25,015)