Derivatives and Hedging Activities (Schedule of Derivative Instruments in Statement of Financial Position) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Swap
Derivative [Line Items]
Derivative liabilities, at fair value	$ 531

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

No definition available.

Name:	us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant