Equity - Issuance of OP Units and Series 2 CPOP Units in Connection with the Acquisition of the Properties (Details) - USD ($)			3 Months Ended	12 Months Ended
	Mar. 05, 2020	Sep. 20, 2019	Mar. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Acquisition Purchase Price			$ 203,155,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance, Preferred			40,787,000
Issuance of 4.00% cumulative redeemable convertible preferred units			63,277,000
Acquisition, Equity Interests Issued, 30-day Average Closing Price of Common Stock	$ 45.00
Preferred Stock, Liquidation Preference, Value	$ 40,800,000
Partners' Capital Account, Units	0.7722
Noncontrolling Interests
Business Acquisition [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance, Preferred			40,787,000
Issuance of 4.00% cumulative redeemable convertible preferred units			$ 63,277,000
Operating Partnership | Noncontrolling Interests
Business Acquisition [Line Items]
Limited Partners' Capital Account, Units Issued	1,406,170
Properties Acquired on March 5, 2020 [Member] | Noncontrolling Interests
Business Acquisition [Line Items]
Issuance of 4.00% cumulative redeemable convertible preferred units	$ 63,300,000
Series 2 CPOP Units [Member] | Properties Acquired on March 5, 2020 [Member]
Business Acquisition [Line Items]
Acquisition, preferred units issued (in units)	906,374
Preferred Stock, Dividend Rate, Percentage	4.00%
Noncontrolling Interest, Increase from Subsidiary Equity Issuance, Preferred	$ 40,800,000
Preferred Stock, Liquidation Preference Premium	$ 45.00
Series A Preferred Units
Business Acquisition [Line Items]
Preferred Stock, Dividend Rate, Percentage			5.875%
Series C Preferred Stock
Business Acquisition [Line Items]
Preferred Stock, Dividend Rate, Percentage		5.625%	5.625%	5.625%
Preferred Stock, Liquidation Preference, Value			$ 86,250,000	$ 86,250,000