Subsequent Events and Other Matters (Details) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 06, 2020 class $ / shares	Nov. 06, 2020 USD ($) individual policy	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Subsequent Event [Line Items]
Exchange transaction, minimum fair value of common stock required for exchange (in dollars per share) | $ / shares	$ 10
Exchange transaction, number of trading days for measurement of common stock price	20 days
Exchange transaction, number of classes of subsidiary securities required to be listed on a national securities exchange prior to exchange transaction | class	1
Preferred stock, dividend rate, percentage (not less than)	7.50%
Preferred stock, conversion price, maximum (in dollars per share) | $ / shares	$ 12
Cash, cash equivalents and restricted cash			$ 109,756	$ 73,885	$ 109,756	$ 73,885	$ 99,331	$ 125,436
Net losses attributable to common shareholders			$ (68,149)	$ (24,635)	(135,669)	(69,154)
Loans receivable originated					$ 0	$ 50,000
Subsequent Event
Subsequent Event [Line Items]
Cash, cash equivalents and restricted cash		$ 95,100
Number of policies realized | policy		9
Number of individuals covered under policies realized | individual		8
Face value of insurance benefits		$ 7,700
L Bonds Issued		63,400
Loans receivable originated		$ 8,100