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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Components of deferred tax assets and liabilities | Significant components of ProAssurance’s deferred tax assets and liabilities were as follows:
(In thousands) | 2015 |  | 2014
Deferred tax assets |  |  |
Unpaid loss discount | $ | 44,886 |  |  | $ | 44,002 |
Unearned premium adjustment | 22,889 |  |  | 23,972 |
Compensation related | 18,130 |  |  | 18,623 |
Intangibles | 1,435 |  |  | 1,957 |
Total deferred tax assets | 87,340 |  |  | 88,554 |
Deferred tax liabilities |  |  |
Deferred acquisition costs | 9,287 |  |  | 9,180 |
Unrealized gains on investments, net | 13,933 |  |  | 31,342 |
Fixed assets | 3,401 |  |  | 3,689 |
Basis differentials–investments | 17,492 |  |  | 31,657 |
Intangibles | 24,644 |  |  | 27,294 |
Other | 3,486 |  |  | 4,210 |
Total deferred tax liabilities | 72,243 |  |  | 107,372 |
Net deferred tax assets (liabilities) | $ | 15,097 |  |  | $ | (18,818 | )
Reconciliation of unrecognized tax benefits | A reconciliation of the beginning and ending amounts of unrecognized tax benefits for 2015, 2014 and 2013, was as follows:
(In thousands) |  | 2015 |  | 2014 |  | 2013
Balance at January 1 |  | $ | 577 |  |  | $ | 4,823 |  |  | $ | 4,823 |
Increase for tax position acquired as result of a business combination |  | — |  |  | 414 |  |  | — |
Increases for tax positions taken during the current year |  | 7,618 |  |  | 163 |  |  | — |
(Decreases) for tax positions taken during the current year |  | — |  |  | (4,823 | ) |  | — |
Balance at December 31 |  | $ | 8,195 |  |  | $ | 577 |  |  | $ | 4,823 |
Reconciliation of expected income tax expense to actual income tax expense | A reconciliation of “expected” income tax expense (35% of income before income taxes) to actual income tax expense for each of the years ended December 31, 2015, 2014 and 2013 were as follows:
(In thousands) |  | 2015 |  | 2014 |  | 2013
Computed “expected” tax expense |  | $ | 45,099 |  |  | $ | 91,702 |  |  | $ | 139,005 |
Tax-exempt income |  | (12,913 | ) |  | (13,250 | ) |  | (14,509 | )
Tax credits |  | (22,407 | ) |  | (17,918 | ) |  | (17,888 | )
Non-taxable gain on acquisition |  | — |  |  | — |  |  | (11,310 | )
Non-U.S. Loss |  | 1,806 |  |  | 1,741 |  |  | — |
Other |  | 1,073 |  |  | 3,165 |  |  | 4,338 |
Income tax expense |  | $ | 12,658 |  |  | $ | 65,440 |  |  | $ | 99,636 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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