Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2022

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, 2022 and 2021, 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, 2021	$	(5,266)	$	(5,051)	$	(10,317)
Other comprehensive (loss) before reclassifications	(103,284)		—		(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	(67,604)		—		(67,604)
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities (gains), net	(21)		—		(21)
Investment securities HTM, net, at amortized cost	1,108		—		1,108
Personnel expense	—		(81)		(81)
Other expense	—		74		74
Income tax benefit	43,098		2		43,100
Net other comprehensive (loss) during period	(126,702)		(6)		(126,708)
Balance March 31, 2022	$	(131,968)	$	(5,057)	$	(137,024)
Balance December 31, 2020	$	41,325	$	(28,707)	$	12,618
Other comprehensive (loss) before reclassifications	(23,979)		—		(23,979)
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses , net	39		—		39
Investment securities HTM, net, at amortized cost	518		—		518
Personnel expense	—		(37)		(37)
Other expense	—		1,050		1,050
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)