Derivative Instruments (Gains or Losses Recognized Related to the Cash Flow Hedges) (Details) - Designated as Hedging Instrument - Cash Flow Hedging - Interest Rate Swap - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Comprehensive Income (Loss)
Derivative [Line Items]
Amount of gain (loss) related to the effective portion recognized in other comprehensive income (loss)	$ (3,477)	$ 176	$ (648)
Interest Expense
Derivative [Line Items]
Amount of gain (loss) related to the effective portion reclassified to interest expense	228	(453)	(1,069)
Amount of gain (loss) related to the ineffective portion recognized in interest expense	$ 91	$ 168	$ (48)

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

+ References

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- Definition

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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