Summary of Significant Accounting Policies (Recent Accounting Pronouncements - Leases) (Details) - Restatement Adjustment [Member] - Accounting Standards Update201602 [Member] $ in Thousands	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset	$ 1,600
Lease liability	2,500
Short and long-term liabilities	$ (873)