Stockholders' Equity of the Company - Schedule of Common Stock Issued and Proceeds Received Dividend Reinvestments (Details) - Dividend Reinvestment and Stock Purchase Plan (DRIP) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Stockholders' Equity
Issuance of common stock (in shares)	3,902	2,455	5,679	2,995
Dividend reinvestments/stock purchases under the DRSPP	$ 198	$ 216	$ 364	$ 263