XML 68 R40.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Comprehensive Income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of Components of Comprehensive Income-Gross and Net of Tax |
2016 |  |  |  |  |  |
($ in thousands) |  | Gross |  | Tax |  | Net
Net income |  | $ | 219,955 |  |  | 61,460 |  |  | 158,495 |
Components of OCI: |  |  |  |  |  |  |  |  |
Unrealized losses (gains) on investment securities: |  |  |  |  |  |  |  |  |
Unrealized holding losses during the year |  | (9,195 | ) |  | (3,218 | ) |  | (5,977 | )
Non-credit portion of other-than-temporary impairments recognized in other comprehensive income |  | (10 | ) |  | (4 | ) |  | (6 | )
Amounts reclassified into net income: |  |  |  |  |  |  |
HTM securities |  | (141 | ) |  | (49 | ) |  | (92 | )
Non-credit OTTI |  | 213 |  |  | 75 |  |  | 138 |
Realized losses on AFS securities |  | 4,713 |  |  | 1,649 |  |  | 3,064 |
Net unrealized losses |  | (4,420 | ) |  | (1,547 | ) |  | (2,873 | )
Defined benefit pension and post-retirement plans: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | (12,079 | ) |  | (4,227 | ) |  | (7,852 | )
Amounts reclassified into net income: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | 6,462 |  |  | 2,262 |  |  | 4,200 |
Defined benefit pension and post-retirement plans |  | (5,617 | ) |  | (1,965 | ) |  | (3,652 | )
Other comprehensive loss |  | (10,037 | ) |  | (3,512 | ) |  | (6,525 | )
Comprehensive income |  | $ | 209,918 |  |  | 57,948 |  |  | 151,970 |
2015 |  |  |  |  |  |
($ in thousands) |  | Gross |  | Tax |  | Net
Net income |  | $ | 232,692 |  |  | 66,831 |  |  | 165,861 |
Components of OCI: |  |  |  |  |  |  |  |  |
Unrealized gains on investment securities: |  |  |  |  |  |  |  |  |
Unrealized holding losses during the year |  | (40,221 | ) |  | (14,078 | ) |  | (26,143 | )
Amounts reclassified into net income: |  |  |  |  |  |  |
HTM securities |  | (580 | ) |  | (203 | ) |  | (377 | )
Non-credit OTTI |  | 357 |  |  | 125 |  |  | 232 |
Realized gains on AFS securities |  | (14,016 | ) |  | (4,906 | ) |  | (9,110 | )
Net unrealized losses |  | (54,460 | ) |  | (19,062 | ) |  | (35,398 | )
Defined benefit pension and post-retirement plans: |  |  |  |  |  |  |  |  |
Net actuarial gain |  | 2,438 |  |  | 853 |  |  | 1,585 |
Amounts reclassified into net income: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | 7,077 |  |  | 2,477 |  |  | 4,600 |
Defined benefit pension and post-retirement plans |  | 9,515 |  |  | 3,330 |  |  | 6,185 |
Other comprehensive loss |  | (44,945 | ) |  | (15,732 | ) |  | (29,213 | )
Comprehensive income |  | $ | 187,747 |  |  | 51,099 |  |  | 136,648 |
2014 |  |  |  |  |  |
($ in thousands) |  | Gross |  | Tax |  | Net
Net income |  | $ | 197,131 |  |  | 55,304 |  |  | 141,827 |
Components of OCI: |  |  |  |  |  |  |  |  |
Unrealized gains on investment securities: |  |  |  |  |  |  |  |  |
Unrealized holding gains during the year |  | 72,940 |  |  | 25,529 |  |  | 47,411 |
Amounts reclassified into net income: |  |  |  |  |  |  |
HTM securities |  | (1,299 | ) |  | (455 | ) |  | (844 | )
Non-credit OTTI |  | 1,669 |  |  | 584 |  |  | 1,085 |
Realized gains on AFS securities |  | (28,864 | ) |  | (10,102 | ) |  | (18,762 | )
Net unrealized gains |  | 44,446 |  |  | 15,556 |  |  | 28,890 |
Defined benefit pension and post-retirement plans: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | (54,136 | ) |  | (18,947 | ) |  | (35,189 | )
Amounts reclassified into net income: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | 1,902 |  |  | 666 |  |  | 1,236 |
Defined benefit pension and post-retirement plans |  | (52,234 | ) |  | (18,281 | ) |  | (33,953 | )
Other comprehensive loss |  | (7,788 | ) |  | (2,725 | ) |  | (5,063 | )
Comprehensive income |  | $ | 189,343 |  |  | 52,579 |  |  | 136,764 |
Schedule of Components of Accumulated Other Comprehensive Income |
|  | Net Unrealized (Loss) Gain on Investment Securities |  |  |  |  |  |
($ in thousands) |  | OTTI Related |  | HTM Related |  | All Other |  | Investments Subtotal |  | Defined Benefit Pension and Post- retirement Plans |  | Total AOCI
Balance, December 31, 2014 |  | $ | (514 | ) |  | 623 |  |  | 80,284 |  |  | 80,393 |  |  | (60,605 | ) |  | 19,788 |
OCI before reclassifications |  | — |  |  | (52 | ) |  | (26,091 | ) |  | (26,143 | ) |  | 1,585 |  |  | (24,558 | )
Amounts reclassified from AOCI |  | 232 |  |  | (377 | ) |  | (9,110 | ) |  | (9,255 | ) |  | 4,600 |  |  | (4,655 | )
Net current period OCI |  | 232 |  |  | (429 | ) |  | (35,201 | ) |  | (35,398 | ) |  | 6,185 |  |  | (29,213 | )
Balance, December 31, 2015 |  | (282 | ) |  | 194 |  |  | 45,083 |  |  | 44,995 |  |  | (54,420 | ) |  | (9,425 | )
OCI before reclassifications |  | (6 | ) |  | — |  |  | (5,977 | ) |  | (5,983 | ) |  | (7,852 | ) |  | (13,835 | )
Amounts reclassified from AOCI |  | 138 |  |  | (92 | ) |  | 3,064 |  |  | 3,110 |  |  | 4,200 |  |  | 7,310 |
Net current period OCI |  | 132 |  |  | (92 | ) |  | (2,913 | ) |  | (2,873 | ) |  | (3,652 | ) |  | (6,525 | )
Balance, December 31, 2016 |  | $ | (150 | ) |  | 102 |  |  | 42,170 |  |  | 42,122 |  |  | (58,072 | ) |  | (15,950 | )
Schedule of Reclassification out of Accumulated Other Comprehensive Income |
($ in thousands) | Year ended December 31, 2016 |  | Year ended December 31, 2015 |  | Affected Line Item in the Consolidated Statement of Income
HTM related |  |  |  |  |
Unrealized losses on HTM disposals | $ | 169 |  |  | 308 |  |  | Net realized (losses) gains
Amortization of net unrealized gains on HTM securities | (310 | ) |  | (888 | ) |  | Net investment income earned
| (141 | ) |  | (580 | ) |  | Income before federal income tax
| 49 |  |  | 203 |  |  | Total federal income tax expense
| (92 | ) |  | (377 | ) |  | Net income
OTTI related |  |  |  |  |
Non-credit OTTI on disposed securities | 213 |  |  | 357 |  |  | Net realized (losses) gains
| 213 |  |  | 357 |  |  | Income before federal income tax
| (75 | ) |  | (125 | ) |  | Total federal income tax expense
| 138 |  |  | 232 |  |  | Net income
Realized (losses) gains on AFS |  |  |  |  |
Realized (losses) gains on AFS disposals | 4,713 |  |  | (14,016 | ) |  | Net realized (losses) gains
| 4,713 |  |  | (14,016 | ) |  | Income before federal income tax
| (1,649 | ) |  | 4,906 |  |  | Total federal income tax expense
| 3,064 |  |  | (9,110 | ) |  | Net income
Defined benefit pension and post-retirement life plans |  |  |  |  |
Net actuarial loss | 1,486 |  |  | 1,538 |  |  | Losses and loss expenses incurred
| 4,976 |  |  | 5,539 |  |  | Policy acquisition costs
Total defined benefit pension and post-retirement life | 6,462 |  |  | 7,077 |  |  | Income before federal income tax
| (2,262 | ) |  | (2,477 | ) |  | Total federal income tax expense
| 4,200 |  |  | 4,600 |  |  | Net income
Total reclassifications for the period | $ | 7,310 |  |  | (4,655 | ) |  | Net income

X
- References No definition available. + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e526-108580 + Details
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration