Equity - Common Stock (Details) - Common Stock - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Equity
Number of shares repurchased	76,574	45,030
Equity Distribution Agreements
Equity
Maximum offering capacity under shelf registration statement	$ 200,000,000
Shares common stock sold	0
Amount available under effective shelf registration statement	$ 200,000,000