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Junior Subordinated Debenture (Details) (USD $) | Dec. 31, 2012 | Mar. 31, 2012
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Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust | $ 22,700,000 |
Deferred interest payments related to debentures | 3,200,000 | 2,600,000
Debentures issued to grantor trusts | 22,700,000 |
Common securities issued by grantor trusts | $ 681,000 |

X
- Definition Amount of the common securities issued by the grantor trusts, and which were purchased by the Company, and included in prepaid expenses and other assets in the Consolidated Balance Sheets. + References No definition available. + Details
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Balance Type: | debit
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- Definition The amount of the debentures issued by the company to the grantor trusts. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of interest payments related to debentures, that have been deferred. The Company has the right to defer the payment of interest on each of the Debentures for a period not to exceed 20 consecutive quarters, provided that the deferral period does not extend beyond the stated maturity. During such deferral period, distributions on the corresponding trust preferred securities will also be deferred and the Company may not pay cash dividends to the holders of shares of our common stock. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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