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Deferred Tax Assets and Liabilities (Table Text Block) | 12 Months Ended
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Mar. 31, 2013
Table Text Block [Abstract] |
Components of Deferred Tax Assets and Liabilities | Significant components of our deferred tax assets and liabilities were as follows:
|  | March 31,
|  | 2013 |  | 2012
|  | (In thousands)
Deferred tax assets: |  |  |  |
Net operating loss and credit carry forwards | $ | 2,007 | $ | 3,080
Accrued expenses |  | 153,807 |  | 126,361
Policy benefit and losses, claims and loss expenses payable, net |  | 24,137 |  | 15,493
Unrealized losses |  | - |  | 6,649
Other |  | 454 |  | -
Total deferred tax assets | $ | 180,405 | $ | 151,583
Deferred tax liabilities: |  |  |  |
Property, plant and equipment | $ | 552,548 | $ | 519,409
Deferred policy acquisition costs |  | 12,270 |  | 2,838
Unrealized gains |  | 9,245 |  | -
Other |  | - |  | 328
Total deferred tax liabilities |  | 574,063 |  | 522,575
Net deferred tax liability | $ | 393,658 | $ | 370,992
The net operating loss and credit carry-forwards in the above table are primarily attributable to $14.7 million of state net operating losses that will begin to expire March 31, 2014 if not utilized.

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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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