Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Fair Value Measurements And Derivative Instruments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Gain (loss) on fair value of derivative instruments	$ (5,234)	$ 707	$ (8,155)	$ 4,340
Unrealized gain (loss) reclassified from accumulated other comprehensive income to interest expense	1,112	$ 745	2,253	$ 1,019
Loss to be reclassified to interest expense during next 12 months	2,055		2,055
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivatives, Fair Value [Line Items]
Carrying value and estimated fair value of debt	1,119,402		1,119,402		$ 1,093,031
Estimate of Fair Value, Fair Value Disclosure [Member]
Derivatives, Fair Value [Line Items]
Carrying value and estimated fair value of debt	$ 1,112,088		$ 1,112,088		$ 1,082,485