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Common and Preferred Stock (Details)	1 Months Ended							3 Months Ended	8 Months Ended	12 Months Ended
Common and Preferred Stock (Details)	Dec. 31, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) shares	Jan. 31, 2021 USD ($) shares	Apr. 30, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Apr. 30, 2019 USD ($) shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) shares	May 31, 2021 shares	Apr. 30, 2021 shares	Feb. 28, 2021 USD ($)	Sep. 30, 2018 shares
Class of Stock [Line Items]
Common stock, shares authorized \| shares	180,000,000							180,000,000	90,000,000	180,000,000	90,000,000		180,000,000	90,000,000
Net proceeds received										$ 744,847,000	$ 896,118,000	$ 472,746,000
Preferred stock, par value (in dollars per share) \| $ / shares	$ 0.0001							$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, shares authorized \| shares	4,000,000							4,000,000	4,000,000	4,000,000	4,000,000
Proceeds from Series A preferred stock offering, net										$ 170,308,000	$ 0	$ 0
Cash dividends declared per depositary share of Series A preferred stock \| $ / shares	$ 0.08854
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding \| shares	7,000							7,000	0	7,000	0
Preferred stock, dividend rate, percentage		4.25%
Preferred Stock, Liquidation Preference, Value	$ 25,000	$ 25,000						$ 25,000		$ 25,000
Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Preference Per Share \| $ / shares		$ 25.00
Cash dividends declared per depositary share of Series A preferred stock \| $ / shares		0.04132						$ 0.30695
Preferred Stock, Redemption Price Per Share \| $ / shares		25.00
Preferred stock, dividends to be declared monthly (in dollars per share) \| $ / shares		0.08854
Preferred stock, dividends declared per annum (in dollars per share) \| $ / shares		$ 1.0625
Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares authorized \| shares			4,600,000	3,450,000	2,875,000
Shares issued \| shares					2,875,000					11,179,982	14,418,612	7,993,519
Net proceeds received					$ 170,400,000
Common Stock [Member] \| Forward Sale Agreement [Member]
Class of Stock [Line Items]
Common stock, shares authorized \| shares	5,750,000				6,166,666		3,162,500	5,750,000		5,750,000						3,500,000
Net proceeds received									$ 354,600,000
At-Market Equity Program [Member] \| Common Stock [Member] \| Forward Sale Agreement [Member]
Class of Stock [Line Items]
Forward Contract Indexed to Issuer's Equity, Shares \| shares										5,172,872
Size	$ 400,000,000.0							$ 400,000,000.0		$ 400,000,000.0
Net proceeds received										$ 362,900,000
At-Market Equity Program Two [Member] \| Common Stock [Member] \| Forward Sale Agreement [Member]
Class of Stock [Line Items]
Forward Contract Indexed to Issuer's Equity, Shares \| shares										3,334,056
Size	$ 400,000,000.0							$ 400,000,000.0		$ 400,000,000.0
Net proceeds received										$ 209,500,000
At-Market Equity Program Three [Member] \| Common Stock [Member] \| Forward Sale Agreement [Member]
Class of Stock [Line Items]
Forward Contract Indexed to Issuer's Equity, Shares \| shares										2,125,296
Amount available under ATM program										$ 349,700,000
Size															$ 500,000,000
Net proceeds received										$ 144,400,000
Over-Allotment Option [Member] \| Series A Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued \| shares		7,000
Stockholders' Equity Note, Stock Split, Conversion Ratio		0.001
Proceeds from Series A preferred stock offering, net		$ 170,300,000
Over-Allotment Option [Member] \| Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued \| shares		7,000,000
Over-Allotment Option [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares authorized \| shares			600,000	450,000	375,000
Net proceeds received			$ 327,000,000.0	$ 221,400,000
Over-Allotment Option [Member] \| Common Stock [Member] \| Forward Sale Agreement [Member]
Class of Stock [Line Items]
Common stock, shares authorized \| shares	750,000						412,500	750,000		750,000
Shares issued \| shares						3,162,500	3,500,000
Net proceeds received						$ 195,800,000	$ 186,000,000.0			$ 0
Over-Allotment Option [Member] \| Common Stock [Member] \| Forward Sale Agreement [Member] \| Scenario, Plan [Member]
Class of Stock [Line Items]
Net proceeds received	$ 374,800,000