Equity (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Common Stock Repurchase
Repurchase of common stock authorized by Board of Directors	$ 60,000,000.0	$ 60,000,000.0
Common stock repurchased, value	$ 20,000	$ 1,510,000	$ 3,567,000
Weighted average price per share (in dollars per share)		$ 27.24	$ 49.29
Dividend rate (as a percent)		6.50%
Preferred stock dividends paid		$ 2,400,000	$ 2,500,000
Common Stock
Common Stock Repurchase
Common stock repurchased (in shares)	1,000	55,426	72,324
Common stock repurchased, value		$ 0	$ 1,000