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Fair Value Measurements (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets - interest rate swaps | $ 4,516 | $ 1,592
Derivative liabilities - interest rate swaps | 0 | 242
Interest rate swaps [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets - interest rate swaps | 4,516 | 1,592
Derivative liabilities - interest rate swaps | $ 0 | $ 242

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- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References No definition available. + Details
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