Schedule of Related Party Transactions, by Related Party (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Related Party Transaction [Line Items]
Percent per annum of equity used to calculate management fees			1.50%
Management fees	$ 3,974	$ 3,801	$ 11,840	$ 11,013
Incentive fees	0	0	0	244
Equity based compensation	1,300	1,200	$ 4,000	3,600
Pine River Capital Management L.P.
Related Party Transaction [Line Items]
Percent per annum of equity used to calculate management fees			1.50%
Management fees	4,000	3,800	$ 11,800	11,000
Incentive fees	0	0	0	200
Direct and allocated costs incurred by manager	$ 1,500	$ 1,700	$ 10,800	$ 10,000
Cost incurred by manager per share issued (in usd per share)				$ 0.20