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Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2021

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Schedule of Components of Comprehensive Income-Gross and Net of Tax

2021
($ in thousands)						Gross						Tax						Net
Net income						$	505,310					101,473						403,837
Components of OCI:
Unrealized (losses) gains on investment securities:
Unrealized holding losses during the year						(151,391)						(31,793)						(119,598)
Unrealized losses on securities with credit loss recognized in earnings						(9,061)						(1,902)						(7,159)
Amounts reclassified into net income:
HTM securities						(11)						(2)						(9)
Net realized gains on disposals and losses on intent-to-sell AFS securities						(3,825)						(803)						(3,022)
Credit loss expense						6,858						1,440						5,418
Total unrealized losses on investment securities						(157,430)						(33,060)						(124,370)
Defined benefit pension and post-retirement plans:
Net actuarial gain						21,636						4,543						17,093
Amounts reclassified into net income:
Net actuarial loss						2,772						582						2,190
Total defined benefit pension and post-retirement plans						24,408						5,125						19,283
Other comprehensive loss						(133,022)						(27,935)						(105,087)
Comprehensive income						$	372,288					73,538						298,750

2020
($ in thousands)						Gross						Tax						Net
Net income						$	302,988					56,633						246,355
Components of OCI:
Unrealized gains (losses) on investment securities:
Unrealized holding gains during the year						168,487						35,383						133,104
Unrealized losses on securities with credit loss recognized in earnings						(8,176)						(1,717)						(6,459)
Amounts reclassified into net income:
HTM securities						(24)						(5)						(19)
Net realized losses on disposals and losses on intent-to-sell AFS securities						5,376						1,129						4,247
Credit loss expense						5,042						1,058						3,984
Total unrealized gains on investment securities						170,705						35,848						134,857
Defined benefit pension and post-retirement plans:
Net actuarial gain						1,515						318						1,197
Amounts reclassified into net income:
Net actuarial loss						3,015						633						2,382
Total defined benefit pension and post-retirement plans						4,530						951						3,579
Other comprehensive income						175,235						36,799						138,436
Comprehensive income						$	478,223					93,432						384,791

2019
($ in thousands)						Gross						Tax						Net
Net income						$	336,390					64,767						271,623
Components of OCI:
Unrealized gains (losses) on investment securities:
Unrealized holding gains during the year						212,683						44,662						168,021
Amounts reclassified into net income:
HTM securities						(58)						(12)						(46)
Realized losses on disposals and OTTI of AFS securities						671						141						530
Total unrealized gains on investment securities						213,296						44,791						168,505
Defined benefit pension and post-retirement plans:
Net actuarial loss						(13,795)						(2,897)						(10,898)
Amounts reclassified into net income:
Net actuarial loss						2,657						558						2,099
Total defined benefit pension and post-retirement plans						(11,138)						(2,339)						(8,799)
Other comprehensive income						202,158						42,452						159,706
Comprehensive income						$	538,548					107,219						431,329

Schedule of Components of Accumulated Other Comprehensive Income

												Net Unrealized Gains (Losses) on Investment Securities																								Defined Benefit Pension and Post-retirement Plans
($ in thousands)												Credit Loss Related1						HTM Related						All Other						Investments Subtotal												Total AOCI
Balance, December 31, 2019												$	(71)					25						170,439						170,393						(88,643)						81,750
OCI before reclassifications												(6,459)						—						133,104						126,645						1,197						127,842
Amounts reclassified from AOCI												3,984						(19)						4,247						8,212						2,382						10,594
Net current period OCI												(2,475)						(19)						137,351						134,857						3,579						138,436
Balance, December 31, 2020												(2,546)						6						307,790						305,250						(85,064)						220,186
OCI before reclassifications												(7,159)						—						(119,598)						(126,757)						17,093						(109,664)
Amounts reclassified from AOCI												5,418						(9)						(3,022)						2,387						2,190						4,577
Net current period OCI												(1,741)						(9)						(122,620)						(124,370)						19,283						(105,087)
Balance, December 31, 2021												$	(4,287)					(3)						185,170						180,880						(65,781)						115,099

1Represents change in unrealized loss on securities with credit loss recognized in earnings.

Schedule of Reclassification out of Accumulated Other Comprehensive Income

($ in thousands)						Year ended December 31, 2021						Year ended December 31, 2020						Affected Line Item in the Consolidated Statements of Income
HTM related
Unrealized gains on HTM disposals						$	(14)					(16)						Net realized and unrealized investment gains (losses)
Amortization of net unrealized gains on HTM securities						3						(8)						Net investment income earned
						(11)						(24)						Income before federal income tax
						2						5						Total federal income tax expense
						(9)						(19)						Net income
Net realized (gains) losses on disposals and losses on intent-to-sell AFS securities
Net realized (gains) losses on disposals and losses on intent-to-sell AFS securities						(3,825)						5,376						Net realized and unrealized investment gains (losses)
						(3,825)						5,376						Income before federal income tax
						803						(1,129)						Total federal income tax expense
						(3,022)						4,247						Net income
Credit loss related
Credit loss expense						6,858						5,042						Net realized and unrealized investment gains (losses)
						6,858						5,042						Income before federal income tax
						(1,440)						(1,058)						Total federal income tax expense
						5,418						3,984						Net income
Defined benefit pension and post-retirement life plans
Net actuarial loss						638						647						Loss and loss expense incurred
						2,134						2,368						Other insurance expenses
Total defined benefit pension and post-retirement life						2,772						3,015						Income before federal income tax
						(582)						(633)						Total federal income tax expense
						2,190						2,382						Net income
Total reclassifications for the period						$	4,577					10,594						Net income

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Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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