Debt (Schedule Of Principal Payments) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
2017 (9 months)	$ 926
2018	1,910
2019	18,805
2020	54,077
2021	61,271
Thereafter	250,000
Subtotal	386,989
Total Debt	386,989
Deferred financing costs, net	(2,912)
Total Debt, net	$ 384,077
Weighted Average Interest Rate	3.40%
Credit Facility [Member]
Debt Instrument [Line Items]
2020	$ 21,000
Subtotal	21,000
Total Debt	21,000
Total Debt, net	$ 21,000
Weighted Average Interest Rate	2.40%
Term Loan [Member]
Debt Instrument [Line Items]
2021	$ 50,000
Thereafter	100,000
Subtotal	150,000
Total Debt	150,000
Deferred financing costs, net	(1,244)
Total Debt, net	$ 148,756
Weighted Average Interest Rate	2.40%
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Thereafter	$ 150,000
Subtotal	150,000
Total Debt	150,000
Deferred financing costs, net	(1,371)
Total Debt, net	$ 148,629
Weighted Average Interest Rate	4.30%
Mortgage Loans Payable [Member]
Debt Instrument [Line Items]
2017 (9 months)	$ 926
2018	1,910
2019	18,805
2020	33,077
2021	11,271
Subtotal	65,989
Total Debt	65,989
Deferred financing costs, net	(297)
Total Debt, net	$ 65,692
Weighted Average Interest Rate	4.00%	4.00%