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Comprehensive Income (Tables)
 3 Months Ended
Mar. 31, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Components of Comprehensive Income-Gross and Net of Tax
First Quarter 2013
 
 
 
 
 
 
($ in thousands)
 
Gross
 
Tax
 
Net
Net income
 
$
27,333

 
6,025

 
21,308

Components of OCI:
 
 

 
 

 
 

Unrealized gains on securities:
 
 

 
 

 
 

Unrealized holding gains during the period
 
3,684

 
1,290

 
2,394

Portion of OTTI recognized in OCI
 
37

 
13

 
24

Amortization of net unrealized gains on HTM securities
 
(636
)
 
(223
)
 
(413
)
Reclassification adjustment for gains included in net income
 
(6,057
)
 
(2,120
)
 
(3,937
)
Net unrealized gains
 
(2,972
)
 
(1,040
)
 
(1,932
)
Defined benefit pension and post-retirement plans:
 
 

 
 

 
 

Net actuarial gain
 
44,000

 
15,400

 
28,600

Reversal of amortization items:
 
 

 
 

 
 

Net actuarial loss
 
1,840

 
644

 
1,196

Prior service cost
 
10

 
4

 
6

Curtailment expense
 
16

 
5

 
11

Defined benefit pension and post-retirement plans
 
45,866

 
16,053

 
29,813

Comprehensive income
 
$
70,227

 
21,038

 
49,189

 
First Quarter 2012
 
 
 
 
 
 
($ in thousands)
 
Gross
 
Tax
 
Net
Net income
 
$
23,191

 
5,098

 
18,093

Components of OCI:
 
 

 
 

 
 

Unrealized gains on securities:
 
 

 
 

 
 

Unrealized holding gains during the period
 
19,804

 
6,931

 
12,873

Portion of OTTI recognized in OCI
 
367

 
129

 
238

Amortization of net unrealized gains on HTM securities
 
(794
)
 
(278
)
 
(516
)
Reclassification adjustment for gains included in net income
 
(4,359
)
 
(1,526
)
 
(2,833
)
Net unrealized gains
 
15,018

 
5,256

 
9,762

Defined benefit pension and post-retirement plans:
 
 

 
 

 
 

Reversal of amortization items:
 
 

 
 

 
 

Net actuarial loss
 
1,390

 
487

 
903

Prior service cost
 
38

 
13

 
25

Defined benefit pension and post-retirement plans
 
1,428

 
500

 
928

Comprehensive income
 
$
39,637

 
10,854

 
28,783
Components of Accumulated Other Comprehensive Income
March 31, 2013
 
Net Unrealized (Loss) Gain
 
 
 
 
($ in thousands)
 
OTTI
Related
 
HTM
Related
 
All
Other
 
Defined Benefit
Pension and Post-Retirement Plans
 
Total AOCI
Balance, December 31, 2012
 
$
(1,658
)
 
2,594

 
121,391

 
(68,287
)
 
54,040

OCI before reclassifications
 
19

 
(106
)
 
2,500

 
28,600

 
31,013

Amounts reclassified from AOCI
 
5

 
(466
)
 
(3,884
)
 
1,213

 
(3,132
)
Net current period OCI
 
24

 
(572
)
 
(1,384
)
 
29,813

 
27,881

Balance, March 31, 2013
 
$
(1,634
)
 
2,022

 
120,007

 
(38,474
)
 
81,921
Reclassification Out Of Accumulated Other Comprehensive Income
2013
Amount Reclassified from AOCI
 
Affected Line Item in the Unaudited Consolidated Statement of Income
($ in thousands)
 
OTTI related


 
 
Amortization of non-credit OTTI losses on HTM securities
$
7

 
Net investment income earned
 
7

 
Income from continuing operations before federal income tax
 
(2
)
 
Total federal income tax expense
 
5

 
Net income
HTM related
 
 
 
Unrealized gains and losses on HTM disposals
(81
)
 
Net realized investment gains
Amortization of net unrealized gains on HTM securities
(636
)
 
Net investment income earned
 
(717
)
 
Income from continuing operations before federal income tax
 
251

 
Total federal income tax expense
 
(466
)
 
Net income
Unrealized gains and losses on AFS
 
 
 
Unrealized gains and losses on AFS disposals
(5,976
)
 
Net realized investments gains
 
(5,976
)
 
Income from continuing operations before federal income tax
 
2,092

 
Total federal income tax expense
 
(3,884
)
 
Net income
Defined benefit pension and post-retirement life plans
 
 
 
Net actuarial loss
400

 
Loss and loss expense incurred
 
1,440

 
Policy acquisition costs
 
1,840

 
Income from continuing operations before federal income tax
 
 
 
 
Prior service cost
7

 
Loss and loss expense incurred
 
3

 
Policy acquisition costs
 
10

 
Income from continuing operations before federal income tax
 
 
 
 
Curtailment expense
—

 
Loss and loss expense incurred
 
16

 
Policy acquisition costs
 
16

 
Income from continuing operations before federal income tax
 
 
 
 
Total defined benefit pension and post-retirement life
1,866

 
Income from continuing operations before federal income tax
 
(653
)
 
Total federal income tax expense
 
1,213

 
Net income
 
 
 
 
Total reclassifications for the period
$
(3,132
)
 
Net income