Recent Accounting Pronouncements Recent Accounting Pronouncements (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Recent Accounting Pronouncements [Abstract]
Lessor Property Costs Paid From Tenant Escrow	$ 1,090,000	$ 0
Operating Lease, Right-of-Use Asset	$ 1,176,000