Equity - ATM Equity Distribution Agreement (Details) - shares		3 Months Ended	9 Months Ended
	May 27, 2021	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Subsidiary, Sale of Stock [Line Items]
Common stock, shares authorized (in shares)		400,000,000	400,000,000	400,000,000
At-the-Market Equity Distribution Agreement [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued		0	0
Maximum commission percent of gross sales	2.00%
At-the-Market Equity Distribution Agreement [Member] | Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, shares authorized (in shares)	4,000,000.0