CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 9,286	$ 20,861
Other comprehensive loss
Net unrealized holdings losses on fixed maturity investments arising during period	(19,531)	(40,203)
Net unrealized holdings losses on equity method investments arising during period	(1,012)	0
Adjustment for reclassification of net realized gains recognized in net income	(4,246)	(4,033)
Foreign currency translation adjustment	10,146	(3)
Other comprehensive loss, before tax	(14,643)	(44,239)
Income tax benefit related to components of other comprehensive loss	37	115
Other comprehensive loss, after tax	(14,606)	(44,124)
Comprehensive income (loss) attributable to Maiden	$ (5,320)	$ (23,263)