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Background and Business Description AMPS Exchange (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) | Aug. 03, 2018 USD ($) shares | May 01, 2013 $ / shares
AMPS Liquidation Preference Value Per Share |  | $ 25,000 |
AMPS Exchange Surplus Notes Issued Per Share |  | $ 13,875 |
AMPS Exchange Shares Tendered | shares |  | 22,096 |
AMPS Exchange Cash Paid Per Share |  | $ 500 |
AMPS Exchange Warrants Issued Per Share |  | 37.3076 |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  | $ 16.67
AMPS Exchange Percent Acquired |  | 0.844 |
AMPS Exchange Shares Acquired | shares |  | 22,296 |
AMPS Exchange Aggregated Liquidation Preference |  | $ 557,400,000 |
AMPS Exchange Nominal Discount |  | 227,000,000 |
AMPS Exchange Nominal Discount at Fair Value |  | 253,000,000 |
AMPS Exchange Total Surplus Notes Issued |  | 212,740,000 |
AMPS Exchange Interest Included in Surplus Notes Issued |  | $ 98,366,000 |
AMPS Exchange Total Warrants Issued |  | 824,307 |
AMPS Exchange Cash Paid | $ 11,048,000 |  |
AMPS Exchange Loss Based on Carry Value | $ 81,686,000 |  |
AFG [Member] |  |  |
AMPS Exchange Aggregated Liquidation Preference |  | $ 34,650,000 |

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- Definition AMPS Exchange Aggregated Liquidation Preference + References No definition available. + Details
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- Definition AMPS Exchange Cash Paid + References No definition available. + Details
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Balance Type: | credit
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- Definition AMPS Exchange Cash Paid Per Share + References No definition available. + Details
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- Definition AMPS Exchange Interest Included in Surplus Notes Issued + References No definition available. + Details
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- Definition AMPS Exchange Loss Based on Carry Value + References No definition available. + Details
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- Definition AMPS Exchange Nominal Discount + References No definition available. + Details
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- Definition AMPS Exchange Nominal Discount at Fair Value + References No definition available. + Details
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- Definition AMPS Exchange Percent Acquired + References No definition available. + Details
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- Definition AMPS Exchange Shares Acquired + References No definition available. + Details
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- Definition AMPS Exchange Shares Tendered + References No definition available. + Details
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- Definition AMPS Exchange Surplus Notes Issued Per Share + References No definition available. + Details
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- Definition AMPS Exchange Total Surplus Notes Issued + References No definition available. + Details
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- Definition AMPS Exchange Total Warrants Issued + References No definition available. + Details
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- Definition AMPS Exchange Warrants Issued Per Share + References No definition available. + Details
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- Definition AMPS Liquidation Preference Value Per Share + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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Period Type: |