Background and Business Description AMPS Exchange (Details) $ in Thousands	Aug. 03, 2018 USD ($) $ / shares shares
AMPS Liquidation Preference Value Per Share | $ / shares	$ 25,000
AMPS Exchange Surplus Notes Issued Per Share | $ / shares	$ 13,875
AMPS Exchange Shares Tendered | shares	22,096
AMPS Exchange Cash Paid Per Share | $ / shares	$ 500
AMPS Exchange Warrants Issued Per Share | $ / shares	$ 37.3076
AMPS Exchange Percent Acquired	0.844
AMPS Exchange Shares Acquired | shares	22,296
AMPS Exchange Aggregated Liquidation Preference	$ 557,000
AMPS Exchange Nominal Discount	227,000
AMPS Exchange Nominal Discount at Fair Value	253,000
AMPS Exchange Total Surplus Notes Issued	213,000
AMPS Exchange Interest Included in Surplus Notes Issued	$ 98,000
AMPS Exchange Total Warrants Issued	824,307
AFG [Member]
AMPS Exchange Aggregated Liquidation Preference	$ 35,000