Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2020
AOCI [Roll Forward]
Beginning of period balance		$ (7,424,000)
End of period balance		(7,424,000)	$ (212,379,000)
Accumulated other comprehensive income
AOCI [Roll Forward]
Beginning of period balance	$ 0	0
Other comprehensive income (loss)	251,000	251,000
End of period balance	0	0	251,000
Net unrealized investment gains (losses)
AOCI [Roll Forward]
Beginning of period balance	0	0
Other comprehensive income (loss)	(73,000)	(73,000)
Other comprehensive income (loss)	(73,000)	(73,000)
End of period balance	0	0	(73,000)
Foreign currency translation adjustments
AOCI [Roll Forward]
Beginning of period balance	0	0
Other comprehensive income (loss)	324,000	324,000
Other comprehensive income (loss)	324,000	324,000
End of period balance	$ 0	$ 0	$ 324,000