Summary of Significant Accounting Policies Receivables, Trade and Other Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2018

Accounts, Notes, Loans and Financing Receivable [Line Items]

Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]

The following table represents the components of Tenant and other receivables, net in the accompanying Consolidated Balance Sheets:

	December 31,
(in thousands)	2018			2017
Billed tenant receivables	$	25,590		25,329
Accrued CAM, insurance and tax reimbursements	25,305			14,825
Other receivables	30,953			34,472
Straight-line rent receivables	105,677			93,284
Notes receivable	—			15,803
Less: allowance for doubtful accounts	(10,100		)	(8,040	)
Less: straight-line rent reserves	(5,066		)	(4,688	)
Total tenant and other receivables, net	$	172,359		170,985