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Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items] |
Schedule Of Plan Terms In Effect And Revisions Of Retirement Savings Plan |
|  | As of January 1, 2011 |  | As of April 5, 2013
SICA match |  | 100% of participant contributions up to the first 3% of defined compensation and 50% up to the next 3% |  | 100% of participant contributions up to the first 3% of defined compensation and 50% up to the next 3%
Non-elective contribution |  | Non-elective contributions of 4% of defined compensation for employees not eligible to participate in the Retirement Income Plan due to a date of hire after December 31, 2005 |  | Non-elective contributions of 4% of defined compensation expanded to include employees impacted by the curtailment of the Retirement Income Plan
Vesting of match/non-elective contribution |  | Immediately vested |  | Immediately vested
Schedule of Funded Status Of Retirement Income Plan And Retirement Life Plan |
December 31, |  | Retirement Income Plan |  | Retirement Life Plan
($ in thousands) |  | 2014 |  | 2013 |  | 2014 |  | 2013
Change in Benefit Obligation: |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | 256,404 |  |  | 302,647 |  |  | 6,201 |  |  | 6,471 |
Service cost |  | 5,920 |  |  | 7,517 |  |  | — |  |  | — |
Interest cost |  | 13,126 |  |  | 12,477 |  |  | 298 |  |  | 283 |
Actuarial losses (gains) |  | 62,935 |  |  | (29,656 | ) |  | 180 |  |  | (224 | )
Benefits paid |  | (7,344 | ) |  | (6,978 | ) |  | (307 | ) |  | (329 | )
Impact of curtailment |  | — |  |  | (29,603 | ) |  | — |  |  | — |
Benefit obligation, end of year |  | $ | 331,041 |  |  | 256,404 |  |  | 6,372 |  |  | 6,201 |
Change in Fair Value of Assets: |  |  |  |  |  |  |  |  |  |  |  |
Fair value of assets, beginning of year |  | $ | 225,817 |  |  | 207,150 |  |  | — |  |  | — |
Actual return on plan assets, net of expenses |  | 24,649 |  |  | 15,925 |  |  | — |  |  | — |
Contributions by the employer to funded plans |  | 10,210 |  |  | 9,600 |  |  | — |  |  | — |
Contributions by the employer to unfunded plans |  | 121 |  |  | 120 |  |  | — |  |  | — |
Benefits paid |  | (7,344 | ) |  | (6,978 | ) |  | — |  |  | — |
Fair value of assets, end of year |  | $ | 253,453 |  |  | 225,817 |  |  | — |  |  | — |
Funded status |  | $ | (77,588 | ) |  | (30,587 | ) |  | (6,372 | ) |  | (6,201 | )
Schedule of Amounts Recognized in Consolidated Balance Sheet |
Amounts Recognized in the Consolidated Balance Sheet: |  |  |  |  |  |  |  |  |  |  |  |
Liabilities |  | $ | (77,588 | ) |  | (30,587 | ) |  | (6,372 | ) |  | (6,201 | )
Net pension liability, end of year |  | $ | (77,588 | ) |  | (30,587 | ) |  | (6,372 | ) |  | (6,201 | )
Schedule of Amounts recognized in Accumulated Other than Comprehensive Income |
Amounts Recognized in AOCI: |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss |  | $ | 91,758 |  |  | 39,640 |  |  | 1,480 |  |  | 1,363 |
Total |  | $ | 91,758 |  |  | 39,640 |  |  | 1,480 |  |  | 1,363 |
Schedule of Other Information as of December 31 |
Other Information as of December 31: |  |  |  |  |  |  |  |  |  |  |  |
Accumulated benefit obligation |  | 326,538 |  |  | 250,546 |  |  | — |  |  | — |
Schedule of Components Of Net Periodic Benefit Cost And Other Amounts Recognized In Other Comprehensive Income |
|  | Retirement Income Plan |  | Retirement Life Plan
($ in thousands) |  | 2014 |  | 2013 |  | 2012 |  | 2014 |  | 2013 |  | 2012
Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Periodic Benefit Cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 5,920 |  |  | 7,517 |  |  | 8,091 |  |  | — |  |  | — |  |  | — |
Interest cost |  | 13,126 |  |  | 12,477 |  |  | 12,981 |  |  | 298 |  |  | 283 |  |  | 302 |
Expected return on plan assets |  | (15,671 | ) |  | (15,755 | ) |  | (14,206 | ) |  | — |  |  | — |  |  | — |
Amortization of unrecognized prior service cost |  | — |  |  | 10 |  |  | 150 |  |  | — |  |  | — |  |  | — |
Amortization of unrecognized actuarial loss |  | 1,839 |  |  | 4,294 |  |  | 5,863 |  |  | 63 |  |  | 80 |  |  | 40 |
Curtailment expense |  | — |  |  | 16 |  |  | — |  |  | — |  |  | — |  |  | — |
Total net periodic cost |  | $ | 5,214 |  |  | 8,559 |  |  | 12,879 |  |  | 361 |  |  | 363 |  |  | 342 |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) |  | $ | 53,956 |  |  | (59,430 | ) |  | 25,906 |  |  | 180 |  |  | (224 | ) |  | 660 |
Reversal of amortization of net actuarial loss |  | (1,839 | ) |  | (4,294 | ) |  | (5,863 | ) |  | (63 | ) |  | (80 | ) |  | (40 | )
Reversal of amortization of prior service cost |  | — |  |  | (10 | ) |  | (150 | ) |  | — |  |  | — |  |  | — |
Curtailment expense |  | — |  |  | (16 | ) |  | — |  |  | — |  |  | — |  |  | — |
Total recognized in other comprehensive income |  | $ | 52,117 |  |  | (63,750 | ) |  | 19,893 |  |  | 117 |  |  | (304 | ) |  | 620 |
Total recognized in net periodic benefit cost and other comprehensive income |  | $ | 57,331 |  |  | (55,191 | ) |  | 32,772 |  |  | 478 |  |  | 59 |  |  | 962 |
Schedule Of Weighted- Average Expense and Liability Assumptions |
Weighted-Average Liability Assumptions as of December 31: |  |  |  |  |  |  |  |  |
Discount rate |  | 4.29 | % |  | 5.16 |  | 4.08 |  | 4.85
Rate of compensation increase |  | 4.00 | % |  | 4.00 |  | — |  | —
|  | Retirement Income Plan |  | Retirement Life Plan
|  | 2014 |  | 2013 |  | 2012 |  | 2014 |  | 2013 |  | 2012
Weighted-Average Expense Assumptions for the years ended December 31: |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate 1 |  | 5.16 | % |  | 4.66 |  | 5.16 |  | 4.85 |  | 4.42 |  | 5.16
Expected return on plan assets |  | 6.92 | % |  | 7.40 |  | 7.75 |  | — |  | — |  | —
Rate of compensation increase |  | 4.00 | % |  | 4.00 |  | 4.00 |  | — |  | — |  | —
1 Discount rate for the Retirement Income Plan changed from 4.42% as of December 31, 2012 to 4.66% as of March 31, 2013 due to the remeasurement that was performed with the curtailment of the Plan.
Schedule of Allocation of Plan Assets |
|  | 2014 |  | 2013
|  | Target Ranges |  | Actual Percentage |  | Actual Percentage
Long duration fixed income |  | 55%- 100% |  |  | 59 | % |  | 55 | %
Global equity |  | 0%- 45% |  |  | 25 | % |  | 27 | %
Global Asset Allocation 1 |  | — | % |  | 11 | % |  | 12 | %
Private equity 1,2 |  | — | % |  | 4 | % |  | 5 | %
Cash and short-term investments 1 |  | — | % |  | 1 | % |  | 1 | %
Total |  | — | % |  | 100 | % |  | 100 | %
Schedule of Quantitative Disclosures of our Financial Assets that were Measured at Fair Value |
December 31, 2014 |  |  |  | Fair Value Measurements Using
($ in thousands) |  | Assets Measured at Fair Value 12/31/14 |  | Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1)1 |  | Significant Other Observable Inputs (Level 2)1 |  | Significant Unobservable Inputs (Level 3)
Description |  |  |  |  |  |  |  |  |  |  |  |
Measured on a recurring basis: |  |  |  |  |  |  |  |  |  |  |  |
AFS: |  |  |  |  |  |  |  |
U.S. government and government agencies |  | $ | 124,130 |  |  | 53,199 |  |  | 70,931 |  |  | — |
Foreign government |  | 27,831 |  |  | — |  |  | 27,831 |  |  | — |
Obligations of states and political subdivisions |  | 1,246,264 |  |  | — |  |  | 1,246,264 |  |  | — |
Corporate securities |  | 1,799,806 |  |  | — |  |  | 1,799,806 |  |  | — |
ABS |  | 177,224 |  |  | — |  |  | 177,224 |  |  | — |
CMBS |  | 179,593 |  |  | — |  |  | 179,593 |  |  | — |
RMBS |  | 511,274 |  |  | — |  |  | 511,274 |  |  | — |
Total fixed income securities |  | 4,066,122 |  |  | 53,199 |  |  | 4,012,923 |  |  | — |
Equity securities |  | 191,400 |  |  | 188,500 |  |  | — |  |  | 2,900 |
Total AFS securities |  | 4,257,522 |  |  | 241,699 |  |  | 4,012,923 |  |  | 2,900 |
Short-term investments |  | 131,972 |  |  | 131,972 |  |  | — |  |  | — |
Total assets |  | $ | 4,389,494 |  |  | 373,671 |  |  | 4,012,923 |  |  | 2,900 |
December 31, 2013 |  |  |  | Fair Value Measurements Using
($ in thousands) |  | Assets Measured at Fair Value 12/31/13 |  | Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1)1 |  | Significant Other Observable Inputs (Level 2)1 |  | Significant Unobservable Inputs (Level 3)
Description |  |  |  |  |  |  |  |  |  |  |  |
Measured on a recurring basis: |  |  |  |  |  |  |  |  |  |  |  |
AFS: |  |  |  |  |  |  |  |
U.S. government and government agencies |  | $ | 173,375 |  |  | 52,153 |  |  | 121,222 |  |  | — |
Foreign government |  | 30,615 |  |  | — |  |  | 30,615 |  |  | — |
Obligations of states and political subdivisions |  | 951,624 |  |  | — |  |  | 951,624 |  |  | — |
Corporate securities |  | 1,734,883 |  |  | — |  |  | 1,734,883 |  |  | — |
ABS |  | 140,896 |  |  | — |  |  | 140,896 |  |  | — |
CMBS |  | 171,284 |  |  | — |  |  | 171,284 |  |  | — |
RMBS |  | 512,859 |  |  | — |  |  | 512,859 |  |  | — |
Total fixed income securities |  | 3,715,536 |  |  | 52,153 |  |  | 3,663,383 |  |  | — |
Equity securities |  | 192,771 |  |  | 189,871 |  |  | — |  |  | 2,900 |
Total AFS securities |  | 3,908,307 |  |  | 242,024 |  |  | 3,663,383 |  |  | 2,900 |
Short-term investments |  | 174,251 |  |  | 174,251 |  |  | — |  |  | — |
Total assets |  | $ | 4,082,558 |  |  | 416,275 |  |  | 3,663,383 |  |  | 2,900 |
1 There were no transfers of securities between Level 1 and Level 2.
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets |
Investments in Limited Partnerships |  |  |  |
($ in thousands) |  | 2014 |  | 2013
Fair value, beginning of year |  | $ | 12,159 |  |  | 12,631 |
Total gains (realized and unrealized) |  |  |  |  |  |
included in changes in net assets |  | 1,586 |  |  | 2,131 |
Purchases |  | 334 |  |  | 560 |
Sales |  | — |  |  | — |
Issuances |  | — |  |  | — |
Settlements |  | (3,687 | ) |  | (3,163 | )
Transfers into Level 3 |  | — |  |  | — |
Transfers out of Level 3 |  | — |  |  | — |
Fair value, end of year |  | $ | 10,392 |  |  | 12,159 |
Schedule of Expected Benefit Payments |
($ in thousands) |  | Retirement Income Plan |  | Retirement Life Plan
Benefits Expected to be Paid in Future |  |  |  |  |  |
Fiscal Years: |  |  |  |  |  |
2015 |  | $ | 9,240 |  |  | 343 |
2016 |  | 10,330 |  |  | 348 |
2017 |  | 11,400 |  |  | 353 |
2018 |  | 12,493 |  |  | 357 |
2019 |  | 13,532 |  |  | 362 |
2020-2024 |  | 82,802 |  |  | 1,865 |
Retirement Income Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Quantitative Disclosures of our Financial Assets that were Measured at Fair Value |
December 31, 2014 |  |  |  | Fair Value Measurements at 12/31/14 Using
($ in thousands) |  | Assets Measured at Fair Value At 12/31/14 |  | Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Description |  |  |  |  |  |  |  |  |  |  |  |
Long duration fixed income: |  |  |  |  |  |  |  |  |  |  |  |
Global asset allocation fund |  | $ | 27,782 |  |  | 27,782 |  |  | — |  |  | — |
Extended duration fixed income |  | 120,532 |  |  | 120,532 |  |  | — |  |  | — |
Total long duration fixed income |  | 148,314 |  |  | 148,314 |  |  | — |  |  | — |
Global equity: |  |  |  |  |  |  |  |
Non-U.S. equity |  | 16,852 |  |  | 5,438 |  |  | 11,414 |  |  | — |
U.S. equity |  | 47,719 |  |  | 47,719 |  |  | — |  |  | — |
Total global equity |  | 64,571 |  |  | 53,157 |  |  | 11,414 |  |  | — |
Global asset allocation |  | 27,842 |  |  | 27,842 |  |  | — |  |  | — |
Private equity (limited partnerships): |  |  |  |  |  |  |  |  |  |  |  |
Equity long/short hedge |  | 41 |  |  | — |  |  | — |  |  | 41 |
Private equity |  | 8,136 |  |  | — |  |  | — |  |  | 8,136 |
Real estate |  | 2,215 |  |  | — |  |  | — |  |  | 2,215 |
Total private equity |  | 10,392 |  |  | — |  |  | — |  |  | 10,392 |
Cash and short-term investments: |  |  |  |  |  |  |  |
Short-term investments |  | 1,222 |  |  | 1,222 |  |  | — |  |  | — |
Deposit administration contracts |  | 1,180 |  |  | — |  |  | 1,180 |  |  | — |
Total cash and short-term investments |  | 2,402 |  |  | 1,222 |  |  | 1,180 |  |  | — |
Total invested assets |  | $ | 253,521 |  |  | 230,535 |  |  | 12,594 |  |  | 10,392 |
December 31, 2013 |  |  |  | Fair Value Measurements at 12/31/13 Using
($ in thousands) |  | Assets Measured at Fair Value At 12/31/13 |  | Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Description |  |  |  |  |  |  |  |  |  |  |  |
Long duration fixed income: |  |  |  |  |  |  |  |  |  |  |  |
Global asset allocation fund |  | $ | 26,984 |  |  | 26,984 |  |  | — |  |  | — |
Extended duration fixed income |  | 96,920 |  |  | 96,920 |  |  | — |  |  | — |
Total long duration fixed income |  | 123,904 |  |  | 123,904 |  |  | — |  |  | — |
Global equity: |  |  |  |  |  |  |  |
Non-U.S. equity |  | 17,548 |  |  | 5,574 |  |  | 11,974 |  |  | — |
U.S. equity |  | 43,112 |  |  | 43,112 |  |  | — |  |  | — |
Total global equity |  | 60,660 |  |  | 48,686 |  |  | 11,974 |  |  | — |
Global asset allocation |  | 27,257 |  |  | 27,257 |  |  | — |  |  | — |
Private equity (limited partnerships): |  |  |  |  |  |  |  |  |  |  |
Equity long/short hedge |  | 41 |  |  | — |  |  | — |  |  | 41 |
Private equity |  | 9,899 |  |  | — |  |  | — |  |  | 9,899 |
Real estate |  | 2,219 |  |  | — |  |  | — |  |  | 2,219 |
Total private equity |  | 12,159 |  |  | — |  |  | — |  |  | 12,159 |
Cash and short-term investments: |  |  |  |  |  |  |  |
Short-term investments |  | 963 |  |  | 963 |  |  | — |  |  | — |
Deposit administration contracts |  | 1,023 |  |  | — |  |  | 1,023 |  |  | — |
Total cash and short-term investments |  | 1,986 |  |  | 963 |  |  | 1,023 |  |  | — |
Total invested assets |  | $ | 225,966 |  |  | 200,810 |  |  | 12,997 |  |  | 12,159 |
Schedule of Other Investment Portfolio By Strategy And Remaining Commitment Amount Associated With Each Strategy |
Alternative Investments |  | Carrying Value |  | 2014
|  | December 31, |  | December 31, |  | Remaining
($ in thousands) |  | 2014 |  | 2013 |  | Amount
Equity long/short hedge |  | $ | 41 |  |  | 41 |  |  | — |
Private equity |  | 8,136 |  |  | 9,899 |  |  | 3,019 |
Real estate |  | 2,215 |  |  | 2,219 |  |  | 536 |
Total alternative investments |  | $ | 10,392 |  |  | 12,159 |  |  | 3,555 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income or loss that have not yet been recognized as components of net periodic benefit cost, such as the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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