Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Dec. 11, 2019	Aug. 28, 2019	May 24, 2019	Mar. 21, 2019	Dec. 06, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Dividend per share (in dollars per share)	$ 0.05	$ 0.04	$ 0.04	$ 0.04	$ 0.04	$ 0.17	$ 0.04	$ 0
Dividends declared	$ 7,371	$ 5,564	$ 6,233	$ 5,896	$ 5,838