Stockholders' Equity - Distributions (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended					12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Dec. 31, 2019
Equity [Abstract]
Distributions per Common Share (in dollars per share)	$ 0.175	$ 0.175	$ 0.175	$ 0.171	$ 0.175	$ 0.696
Total Distributions	$ 3,223	$ 3,223	$ 3,224	$ 3,141	$ 3,223	$ 12,811