Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2017

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

Summary of activity in accumulated other comprehensive income (loss)

The following table summarizes the components , changes, and reclassifications out of accumulated other comprehensive income (loss).

($ in Thousands)	Investments Securities Available For Sale			Defined Benefit Pension and Post Retirement Obligations			Accumulated Other Comprehensive Income (Loss)
Balance January 1, 2017	$	(20,079	)	$	(34,600	)	$	(54,679	)
Other comprehensive income before reclassifications	3,632			—			3,632
Amounts reclassified from accumulated other comprehensive income:
Personnel expense	—			900			900
Interest income (Amortization of net unrealized gains on available for sale securities transferred to held to maturity securities)	(2,575		)	—			(2,575		)
Income tax expense	(406		)	(342		)	(748		)
Net other comprehensive income during period	651			558			1,209
Balance June 30, 2017	$	(19,428	)	$	(34,042	)	$	(53,470	)
Balance January 1, 2016	$	459		$	(33,075	)	$	(32,616	)
Other comprehensive income before reclassifications	82,743			—			82,743
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities gain, net	(6,214		)	—			(6,214		)
Personnel expense	—			990			990
Interest income (Amortization of net unrealized gains on available for sale securities transferred to held to maturity securities)	(3,024		)	—			(3,024		)
Income tax expense	(28,048		)	(378		)	(28,426		)
Net other comprehensive income during period	45,457			612			46,069
Balance June 30, 2016	$	45,916		$	(32,463	)	$	13,453
	Investments Securities Available For Sale			Defined Benefit Pension and Post Retirement Obligations			Accumulated Other Comprehensive Income (Loss)
Balance April 1, 2017	$	(22,023	)	$	(34,321	)	$	(56,344	)
Other comprehensive income before reclassifications	5,744			—			5,744
Amounts reclassified from accumulated other comprehensive income:
Personnel expense	—			450			450
Interest income (Amortization of net unrealized gains on available for sale securities transferred to held to maturity securities)	(1,548		)	—			(1,548		)
Income tax expense	(1,601		)	(171		)	(1,772		)
Net other comprehensive income during period	2,595			279			2,874
Balance June 30, 2017	$	(19,428	)	$	(34,042	)	$	(53,470	)
Balance April 1, 2016	$	34,936		$	(32,769	)	$	2,167
Other comprehensive income before reclassifications	22,321			—			22,321
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities gain, net	(3,116		)	—			(3,116		)
Personnel expense	—			495			495
Interest income (Amortization of net unrealized gains on available for sale securities transferred to held to maturity securities)	(1,452		)	—			(1,452		)
Income tax expense	(6,773		)	(189		)	(6,962		)
Net other comprehensive income during period	10,980			306			11,286
Balance June 30, 2016	$	45,916		$	(32,463	)	$	13,453