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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS In January 2019, the Company issued $350 million of 4.375% senior unsecured notes due 2029. The Company used the proceeds to pay down its revolving credit facilities. In October and November 2018, in anticipation of conducting an offering of senior notes, the Operating Partnership entered into two interest rate lock agreements tied to the U.S. treasury rate. These agreements were settled prior to the consummation of the described above senior note offering for an aggregate cost to the Operating Partnership of $5.7 million. See Note 20 - Derivative Instruments.