Recent Accounting Pronouncements Recent Accounting Pronouncements (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Recent Accounting Pronouncements [Abstract]
Lessor Property Costs Paid From Tenant Escrow	$ 1,506,000	$ 0	$ 2,597,000	$ 0
Operating Lease, Right-of-Use Asset	$ 1,176,000		$ 1,176,000