Consolidated Statements of Total Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Net premiums earned	$ 66,000	$ 111,000	$ 175,000
Net investment income:
Securities available-for-sale and short-term	196,000	271,000	338,000
Other investments	32,000	2,000	23,000
Net investment income	227,000	273,000	361,000
Other-than-temporary impairment losses:
Total other-than-temporary impairment losses	0	(3,000)	(55,000)
Portion of other-than-temporary impairment recognized in other comprehensive income (loss)	0	0	34,000
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	0	(3,000)	(20,000)
Realized Investment Gains (Losses)	81,000	112,000	5,000
Derivative, Gain (Loss) on Derivative, Net	(50,000)	7,000	76,000
Net realized gains (losses) on extinguishment of debt	0	3,000	5,000
Other income	134,000	5,000	0
Income (loss) on variable interest entities	38,000	3,000	20,000
Total revenues	496,000	511,000	622,000
Expenses:
Losses and loss expenses (benefit)	13,000	(224,000)	513,000
Insurance intangible amortization	295,000	107,000	151,000
Operating expenses	103,000	112,000	122,000
Interest expense	269,000	242,000	120,000
Total expenses	680,000	238,000	906,000
Pre-tax income (loss)	(183,000)	273,000	(284,000)
Provision for income taxes	32,000	5,000	44,000
Net income (loss)	(216,000)	267,000	(329,000)
Net income (loss) attributable to common stockholders	(216,000)	186,000	(329,000)
Other comprehensive income (loss), after tax:
Net income (loss)	(216,000)	267,000	(329,000)
Unrealized gains (losses) on securities, net of income tax provision (benefit) of $(8), $2 and $0	65,000	55,000	(82,000)
Gains (losses) on foreign currency translation, net of income tax provision (benefit) of $0, $0 and $0	26,000	(48,000)	74,000
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax	0	1,000	0
Credit risk changes of fair value option liabilities, net of income tax provision (benefit) of $0, $0 and $0	(1,000)	(2,000)	1,000
Total other comprehensive income (loss), net of income tax	91,000	6,000	(7,000)
Total comprehensive income (loss)	(125,000)	274,000	(335,000)
Less: comprehensive (loss) gain attributable to the noncontrolling interest:
Total comprehensive income (loss) attributable to common stockholders	(125,000)	192,000	(335,000)
AMPS Exchange Loss Based on Carry Value	$ 0	$ 82,000	$ 0
Basic	$ (4.69)	$ 4.07	$ (7.25)
Diluted	$ (4.69)	$ 3.99	$ (7.25)
Weighted Average Number of Shares Outstanding, Basic		45,954,908	45,665,883
Weighted Average Number of Shares Outstanding, Diluted		45,954,908	46,559,835