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Fair Value (Details 3) - Recurring basis - Level 3 | 6 Months Ended
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Jun. 30, 2015 USD ($)
Available-for-sale Securities |
Financial assets |
Balance at the beginning of the period | $ 2,000,000
Adjustment to fair value: |
Changes in fair value | 100,000
Commercial mortgage-backed security (CMBS) |
Adjustment to fair value: |
Payoff | $ (2,100,000)

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