Issuances of Common Stock - Dividend Reinvestment and Stock Purchase Plan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Dividend Reinvestment and Stock Purchase Plan
Gross proceeds			$ 8,708	$ 8,208
DRSPP
Dividend Reinvestment and Stock Purchase Plan
Dividend Reinvestment and Stock Purchase Plan, authorized shares (in shares)	26,000,000		26,000,000
Shares remaining for future issuance (in shares)	11,207,318		11,207,318
Common stock | DRSPP
Dividend Reinvestment and Stock Purchase Plan
Shares of common stock issued (in shares)	43,430	41,463	128,061	124,430
Gross proceeds	$ 3,000	$ 2,900	$ 8,700	$ 8,200
Common stock | DRSPP waiver approval process
Dividend Reinvestment and Stock Purchase Plan
Shares of common stock issued (in shares)			0	0