v2.3.0.11

Certificates of Deposits (Details) (USD $) In Millions | 3 Months Ended
--- | ---
Jun. 30, 2011 | Mar. 31, 2011
Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract] |  |
Incentives Paid in Lieu of Future Interest to Certificate Holders |  | $ 0.6
Certificates of Deposits Redeemed in Connection with Incentive Offers |  | 12.4
Payments to Redeem and Close Certificates of Deposits Prior to their Maturity Dates | 172.7 | 85.2
Future Interest Paid on Certificates of Deposit Being Redeemd in Period | $ 6.9 | $ 3.6

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

X
- Definition Certificates of Deposits Redeemed in Connection with Incentive Offers + Details
Name: | utr_CertificatesOfDepositsRedeemedInConnectionWithIncentiveOffers
Namespace Prefix: | utr
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Future Interest Paid on Certificates of Deposit Being Redeemd in Period + Details
Name: | utr_FutureInterestPaidOnCertificatesOfDepositBeingRedeemdInPeriod
Namespace Prefix: | utr
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Incentives Paid in Lieu of Future Interest to Certificate Holders + Details
Name: | utr_IncentivesPaidInLieuOfFutureInterestToCertificateHolders
Namespace Prefix: | utr
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments to Redeem and Close Certificates of Deposits Prior to their Maturity Dates + Details
Name: | utr_PaymentsToRedeemAndCloseCertificatesOfDepositsPriorToTheirMaturityDates
Namespace Prefix: | utr
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration