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Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Mar. 31, 2014
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | $ 108,000us-gaap_LongTermDebt | |
| Loans Payable [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Secured Debt |
108,000us-gaap_SecuredDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
121,500us-gaap_SecuredDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
| Carrying Value |
121,500us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
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| Fair Value |
121,500us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
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| Loans Payable [Member] | Variable Rate Term Loan, Due April 2018 | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Secured Debt |
$ 108,000us-gaap_SecuredDebt / us-gaap_DebtInstrumentAxis = thr_VariableRateTermLoanDueApril2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_LoansPayableMember |
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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- Definition
Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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