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Derivatives and Hedging (Narrative) (Details) - Designated as Hedging Instrument - Interest Rate Cap
12 Months Ended
Dec. 31, 2019
USD ($)
Derivative [Line Items]  
Derivative, notional amount $ 300,000,000
Reclassification out of Accumulated Other Comprehensive Income  
Derivative [Line Items]  
Reclassified interest expense $ 800,000