Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2021

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

Summary of activity in accumulated other comprehensive income (loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at March 31, 2021 and 2020, including changes during the preceding three month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in Thousands)	Investment Securities AFS		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2020	$	41,325	$	(28,707)	$	12,618
Other comprehensive income (loss) before reclassifications	(23,979)		—		(23,979)
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	39		—		39
Personnel expense	—		(37)		(37)
Other expense	—		1,050		1,050
Interest income	518		—		518
Income tax (expense) benefit	5,851		(253)		5,598
Net other comprehensive income (loss) during period	(17,571)		760		(16,811)
Balance March 31, 2021	$	23,754	$	(27,947)	$	(4,193)
Balance December 31, 2019	$	3,989	$	(37,172)	$	(33,183)
Other comprehensive income (loss) before reclassifications	26,419		—		26,419
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(6,118)		—		(6,118)
Personnel expense	—		(38)		(38)
Other expense	—		808		808
Interest income	556		—		556
Income tax (expense) benefit	(5,225)		(193)		(5,418)
Net other comprehensive income (loss) during period	15,632		577		16,209
Balance March 31, 2020	$	19,620	$	(36,595)	$	(16,974)