XML 61 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Adjusted Cost and Estimated Market Value Available-for-Sale Investment (Table Text Block) | 3 Months Ended
--- | ---
Jun. 30, 2012
Investments, Debt and Equity Securities [Abstract] |
Investments classified by contractual maturity date | The adjusted cost and estimated market value of available-for-sale investments at June 30, 2012, by contractual maturity, were as follows:
|  | Amortized Cost |  |  | Estimated Market Value |
|  | (Unaudited) |
|  | (In thousands) |
Due in one year or less |  | $ | 43,244 |  |  | $ | 43,995 |
Due after one year through five years |  |  | 151,997 |  |  |  | 161,472 |
Due after five years through ten years |  |  | 187,143 |  |  |  | 200,440 |
Due after ten years |  |  | 312,566 |  |  |  | 338,569 |
|  |  | 694,950 |  |  |  | 744,476 |
Mortgage backed securities |  |  | 8,885 |  |  |  | 9,138 |
Redeemable preferred stocks |  |  | 23,370 |  |  |  | 23,935 |
Equity securities |  |  | 27,736 |  |  |  | 15,833 |
|  | $ | 754,941 |  |  | $ | 793,382 |

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration