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Fair Value of Assets and Liabilities (Details) $ in Thousands | Sep. 30, 2015 USD ($) shares
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Travel Centers of America LLC |
Fair Value of Assets and Liabilities |
Shares included in investment securities | shares | 3,420,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Travel Centers of America LLC |
Fair Value of Assets and Liabilities |
Shares included in investment securities | shares | 3,420,000
Historical cost of securities | $ 17,407
Recurring |
Fair Value of Assets and Liabilities |
Investment securities | 35,329
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |
Fair Value of Assets and Liabilities |
Investment securities | $ 35,329

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