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Investments (Tables) | 6 Months Ended
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Jun. 30, 2013
Investments, Debt and Equity Securities [Abstract] |
Amortized cost and estimated fair value of available-for-sale fixed maturities and equity securities | Available-for-sale securities at June 30, 2013 and December 31, 2012 included the following:
| June 30, 2013
(In thousands) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Fixed maturities |  |  |  |  |  |  |
U.S. Treasury obligations | $ | 206,778 |  |  | $ | 8,427 |  |  | $ | (1,383 | ) |  | $ | 213,822 |
U.S. Government-sponsored enterprise obligations | 53,486 |  |  | 3,732 |  |  | (293 | ) |  | 56,925 |
State and municipal bonds | 1,204,739 |  |  | 55,546 |  |  | (7,113 | ) |  | 1,253,172 |
Corporate debt | 1,502,700 |  |  | 60,506 |  |  | (16,314 | ) |  | 1,546,892 |
Residential mortgage-backed securities | 263,844 |  |  | 10,382 |  |  | (1,993 | ) | * | 272,233 |
Agency commercial mortgage-backed securities | 43,696 |  |  | 822 |  |  | (69 | ) |  | 44,449 |
Other commercial mortgage-backed securities | 67,861 |  |  | 3,264 |  |  | (260 | ) |  | 70,865 |
Other asset-backed securities | 75,843 |  |  | 625 |  |  | (393 | ) |  | 76,075 |
| $ | 3,418,947 |  |  | $ | 143,304 |  |  | $ | (27,818 | ) |  | $ | 3,534,433 |
| December 31, 2012
(In thousands) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Fixed maturities |  |  |  |  |  |  |
U.S. Treasury obligations | $ | 191,642 |  |  | $ | 14,266 |  |  | $ | (51 | ) |  | $ | 205,857 |
U.S. Government-sponsored enterprise obligations | 52,110 |  |  | 4,837 |  |  | — |  |  | 56,947 |
State and municipal bonds | 1,134,744 |  |  | 85,329 |  |  | (94 | ) |  | 1,219,979 |
Corporate debt | 1,375,880 |  |  | 96,187 |  |  | (1,543 | ) |  | 1,470,524 |
Residential mortgage-backed securities | 272,990 |  |  | 17,070 |  |  | (210 | ) | * | 289,850 |
Agency commercial mortgage-backed securities | 57,234 |  |  | 2,255 |  |  | (25 | ) |  | 59,464 |
Other commercial mortgage-backed securities | 69,062 |  |  | 5,049 |  |  | (5 | ) |  | 74,106 |
Other asset-backed securities | 70,670 |  |  | 1,203 |  |  | (601 | ) |  | 71,272 |
| $ | 3,224,332 |  |  | $ | 226,196 |  |  | $ | (2,529 | ) |  | $ | 3,447,999 |
* | Includes other-than-temporary impairments recognized in accumulated other comprehensive income of $0.5 million and $0.9 million at June 30, 2013 and December 31, 2012, respectively.
Schedule of available for sale securities by contractual maturity | The recorded cost basis and estimated fair value of available-for-sale fixed maturities at June 30, 2013, by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
(In thousands) | Amortized Cost |  | Due in one year or less |  | Due after one year through five years |  | Due after five years through ten years |  | Due after ten years |  | Total Fair Value
Fixed maturities, available for sale |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury obligations | $ | 206,778 |  |  | $ | 24,239 |  |  | $ | 135,973 |  |  | $ | 49,745 |  |  | $ | 3,865 |  |  | $ | 213,822 |
U.S. Government-sponsored enterprise obligations | 53,486 |  |  | — |  |  | 49,356 |  |  | 7,340 |  |  | 229 |  |  | 56,925 |
State and municipal bonds | 1,204,739 |  |  | 52,665 |  |  | 418,391 |  |  | 493,559 |  |  | 288,557 |  |  | 1,253,172 |
Corporate debt | 1,502,700 |  |  | 104,583 |  |  | 702,834 |  |  | 685,649 |  |  | 53,826 |  |  | 1,546,892 |
Residential mortgage-backed securities | 263,844 |  |  |  |  |  |  |  |  |  |  | 272,233 |
Agency commercial mortgage-backed securities | 43,696 |  |  |  |  |  |  |  |  |  |  | 44,449 |
Other commercial mortgage-backed securities | 67,861 |  |  |  |  |  |  |  |  |  |  | 70,865 |
Other asset-backed securities | 75,843 |  |  |  |  |  |  |  |  |  |  | 76,075 |
| $ | 3,418,947 |  |  |  |  |  |  |  |  |  |  | $ | 3,534,433 |
Other Investments | Other Investments at June 30, 2013 and December 31, 2012 was comprised as follows:
(In thousands) | June 30, 2013 |  | December 31, 2012
Investments in LPs/LLCs, at cost | $ | 28,362 |  |  | $ | 25,092 |
FHLB capital stock, at cost | 3,449 |  |  | 4,278 |
Other, principally an annuity, at amortized cost | 1,500 |  |  | 1,715 |
| $ | 33,311 |  |  | $ | 31,085 |
Unconsolidated Subsidiaries | ProAssurance holds investments in unconsolidated subsidiaries, accounted for under the equity method. The investments include the following:
| June 30, 2013 |  | Carrying Value
(In thousands) | Unfunded Commitments |  | Percentage Ownership |  | June 30, 2013 |  | December 31, 2012
Investment in LPs/LLCs: |  |  |  |  |  |  |  |
Tax credit partnerships | $ | 53,555 |  |  | See below |  | $ | 147,200 |  |  | $ | 87,310 |
Secured debt fund | 28,400 |  |  | < | 20% |  | 11,637 |  |  | — |
Long equity fund | None |  |  | < | 20% |  | 5,657 |  |  | — |
Long/Short equity fund | None |  |  | < | 20% |  | 8,602 |  |  | 17,115 |
Non-public equity funds | 42,563 |  |  | < | 20% |  | 18,653 |  |  | 16,624 |
|  |  |  |  |  | $ | 191,749 |  |  | $ | 121,049 |
Investments held in an unrealized loss position | The following tables provide summarized information with respect to investments held in an unrealized loss position at June 30, 2013 and December 31, 2012, including the length of time the investment had been held in a continuous unrealized loss position.
| June 30, 2013
| Total |  | Less than 12 months |  | More than 12 months
| Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized
(In thousands) | Value |  | Loss |  | Value |  | Loss |  | Value |  | Loss
Fixed maturities, available for sale |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury obligations | $ | 54,610 |  |  | $ | (1,383 | ) |  | $ | 54,610 |  |  | $ | (1,383 | ) |  | $ | — |  |  | $ | — |
U.S. Government-sponsored enterprise obligations | 5,579 |  |  | (293 | ) |  | 5,579 |  |  | (293 | ) |  | — |  |  | — |
State and municipal bonds | 210,096 |  |  | (7,113 | ) |  | 208,105 |  |  | (7,089 | ) |  | 1,991 |  |  | (24 | )
Corporate debt | 423,388 |  |  | (16,314 | ) |  | 416,240 |  |  | (15,961 | ) |  | 7,148 |  |  | (353 | )
Residential mortgage-backed securities | 75,441 |  |  | (1,993 | ) |  | 74,789 |  |  | (1,990 | ) |  | 652 |  |  | (3 | )
Agency commercial mortgage-backed securities | 5,252 |  |  | (69 | ) |  | 4,765 |  |  | (59 | ) |  | 487 |  |  | (10 | )
Other commercial mortgage-backed securities | 13,309 |  |  | (260 | ) |  | 13,309 |  |  | (260 | ) |  | — |  |  | — |
Other asset-backed securities | 26,728 |  |  | (393 | ) |  | 23,397 |  |  | (158 | ) |  | 3,331 |  |  | (235 | )
| $ | 814,403 |  |  | $ | (27,818 | ) |  | $ | 800,794 |  |  | $ | (27,193 | ) |  | $ | 13,609 |  |  | $ | (625 | )
Other investments |  |  |  |  |  |  |  |  |  |  |
Investments in LPs/LLCs carried at cost | $ | 4,972 |  |  | $ | (325 | ) |  | $ | 3,906 |  |  | $ | (294 | ) |  | $ | 1,066 |  |  | $ | (31 | )
| December 31, 2012
| Total |  | Less than 12 months |  | More than 12 months
| Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized
(In thousands) | Value |  | Loss |  | Value |  | Loss |  | Value |  | Loss
Fixed maturities, available for sale |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury obligations | $ | 4,073 |  |  | $ | (51 | ) |  | $ | 4,073 |  |  | $ | (51 | ) |  | $ | — |  |  | $ | — |
State and municipal bonds | 11,234 |  |  | (94 | ) |  | 9,232 |  |  | (65 | ) |  | 2,002 |  |  | (29 | )
Corporate debt | 90,154 |  |  | (1,543 | ) |  | 81,878 |  |  | (1,377 | ) |  | 8,276 |  |  | (166 | )
Residential mortgage-backed securities | 10,721 |  |  | (210 | ) |  | 10,029 |  |  | (205 | ) |  | 692 |  |  | (5 | )
Agency commercial mortgage-backed securities | 1,643 |  |  | (25 | ) |  | 498 |  |  | (2 | ) |  | 1,145 |  |  | (23 | )
Other commercial mortgage-backed securities | 2,100 |  |  | (5 | ) |  | 1,103 |  |  | (1 | ) |  | 997 |  |  | (4 | )
Other asset-backed securities | 10,746 |  |  | (601 | ) |  | 7,707 |  |  | (20 | ) |  | 3,039 |  |  | (581 | )
| $ | 130,671 |  |  | $ | (2,529 | ) |  | $ | 114,520 |  |  | $ | (1,721 | ) |  | $ | 16,151 |  |  | $ | (808 | )
Other investments |  |  |  |  |  |  |  |  |  |  |
Investments in LPs/LLCs carried at cost | $ | 9,474 |  |  | $ | (851 | ) |  | $ | 8,697 |  |  | $ | (688 | ) |  | $ | 777 |  |  | $ | (163 | )
Net Investment Income | Net investment income by investment category was as follows:
| Three Months Ended June 30 |  | Six Months Ended June 30
(In thousands) | 2013 |  | 2012 |  | 2013 |  | 2012
Fixed maturities | $ | 32,160 |  |  | $ | 34,093 |  |  | $ | 63,015 |  |  | $ | 67,363 |
Equities | 2,422 |  |  | 1,608 |  |  | 4,605 |  |  | 2,649 |
Short-term investments and Other invested assets | 66 |  |  | 77 |  |  | 514 |  |  | 498 |
Business owned life insurance | 439 |  |  | 461 |  |  | 875 |  |  | 918 |
Investment fees and expenses | (1,820 | ) |  | (1,729 | ) |  | (3,616 | ) |  | (3,425 | )
Net investment income | $ | 33,267 |  |  | $ | 34,510 |  |  | $ | 65,393 |  |  | $ | 68,003 |
Net realized investment gains (losses) | The following table provides detailed information regarding net realized investment gains (losses):
| Three Months Ended June 30 |  | Six Months Ended June 30
(In thousands) | 2013 |  | 2012 |  | 2013 |  | 2012
Total other-than-temporary impairment losses: |  |  |  |  |  |  |
State and municipal bonds | $ | (71 | ) |  | $ | — |  |  | $ | (71 | ) |  | $ | — |
Residential mortgage-backed securities | — |  |  | (218 | ) |  | — |  |  | (463 | )
Corporate debt | — |  |  | — |  |  | — |  |  | (830 | )
Other investments | — |  |  | — |  |  | — |  |  | (131 | )
Portion recognized in (reclassified from) Other Comprehensive Income: |  |  |  |  |  |  |
Residential mortgage-backed securities | — |  |  | (201 | ) |  | — |  |  | (201 | )
Net impairment losses recognized in earnings | (71 | ) |  | (419 | ) |  | (71 | ) |  | (1,625 | )
Gross realized gains, available-for-sale securities | 3,809 |  |  | 2,262 |  |  | 6,923 |  |  | 6,150 |
Gross realized (losses), available-for-sale securities | (890 | ) |  | (89 | ) |  | (965 | ) |  | (183 | )
Net realized gains (losses), trading securities | 6,043 |  |  | (50 | ) |  | 8,832 |  |  | 727 |
Change in unrealized holding gains (losses), trading securities | (420 | ) |  | (3,032 | ) |  | 20,432 |  |  | 4,905 |
Decrease (increase) in the fair value of liabilities carried at fair value | — |  |  | (220 | ) |  | — |  |  | (844 | )
Net realized investment gains (losses) | $ | 8,471 |  |  | $ | (1,548 | ) |  | $ | 35,151 |  |  | $ | 9,130 |
Cumulative credit losses recorded in earnings related to impaired debt securities for which a portion of the OTTI has been recorded in OCI | The following table presents a roll forward of cumulative credit losses recorded in earnings related to impaired debt securities for which a portion of the other-than-temporary impairment was recorded in Other Comprehensive Income.
| Three Months Ended June 30 |  | Six Months Ended June 30
(In thousands) | 2013 |  | 2012 |  | 2013 |  | 2012
Balance beginning of period | $ | 3,301 |  |  | $ | 5,937 |  |  | $ | 3,301 |  |  | $ | 5,870 |
Additional credit losses recognized during the period, related to securities for which: |  |  |  |  |  |  |
OTTI has been previously recognized | — |  |  | 201 |  |  | — |  |  | 268 |
Reductions due to: |  |  |  |  |  |  |
Securities sold during the period (realized) | (2,888 | ) |  | — |  |  | (2,888 | ) |  | — |
Balance June 30 | $ | 413 |  |  | $ | 6,138 |  |  | $ | 413 |  |  | $ | 6,138 |
Information regarding sales and purchases of available-for-sale securities | Other information regarding sales and purchases of available-for-sale securities is as follows:
| Three Months Ended June 30 |  | Six Months Ended June 30
(In millions) | 2013 |  | 2012 |  | 2013 |  | 2012
Proceeds from sales (exclusive of maturities and paydowns) | $ | 128.7 |  |  | $ | 99.8 |  |  | $ | 257.1 |  |  | $ | 305.9 |
Purchases | $ | 206.6 |  |  | $ | 99.5 |  |  | $ | 307.4 |  |  | $ | 347.1 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the realized and unrealized gains and losses reported in the statement of income which have resulted from the sale and holding of marketable securities, respectively, as well as the sale or disposal of cost method investments. Such amounts would include realized gains and losses on the sale or disposal of trading, available-for-sale, and held-to-maturity securities, unrealized gains and losses on trading securities, unrealized gains and losses on available-for-sale and held-to-maturity securities transferred to the trading securities category, realized gains and losses on the sale or disposal of cost method investments, and losses recognized for other than temporary impairments (OTTI) of such investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 21 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (c)-(e) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.M) -URI http://asc.fasb.org/extlink&oid=6784337&loc=d3e87990-122713 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 7, 13, 16, 22 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section M + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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