Stockholders' Equity - Dividend Transactions (Details) - USD ($)							3 Months Ended
	Mar. 28, 2022	Mar. 15, 2022	Feb. 28, 2022	Feb. 15, 2022	Jan. 28, 2022	Jan. 27, 2022	Mar. 31, 2022	Mar. 31, 2021
Class of Stock [Line Items]
Aggregate amount paid to holders of record							$ 2,995,000	$ 2,486,000
Rate per common share (in dollars per share)							$ 0.10	$ 0.10
Aggregate amount paid to holders of record							$ 29,108,000	$ 20,057,000
Series C Preferred Stock
Class of Stock [Line Items]
Rate per Series C Preferred Share (in dollars per share)		$ 0.14583	$ 0.14583			$ 0.14583	$ 0.14583	$ 0.14583
Aggregate amount paid to holders of record		$ 998,500	$ 998,500			$ 998,500	$ 2,995,500
Common Stock
Class of Stock [Line Items]
Rate per common share (in dollars per share)	$ 0.10			$ 0.10	$ 0.10
Aggregate amount paid to holders of record	$ 9,764,000			$ 9,690,000	$ 9,654,000		$ 29,108,000