Business Combination, Consideration Transferred, Fair Value of Preexisting Relationships

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- Definition

Business Combination, Consideration Transferred, Previously Held Equity Method Investment

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- Definition

Business Combination, Fair Value Of Shares Issued [Abstract]

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- Definition

Business Combination, Step Acquisition, Equity Interest In Acquiree, Remeasurement, Price to Book Multiple

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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-Publisher FASB
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-Topic 805
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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Purchase Price and Fair Value of Assets Acquired (Details) $ / shares in Units, $ in Thousands			3 Months Ended	6 Months Ended
	Dec. 27, 2018 USD ($)	May 14, 2018 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	May 13, 2018 USD ($)	Dec. 31, 2017 USD ($)
Purchase Price
Excess of purchase price over fair value of net assets acquired					$ 114,807	$ 114,807		$ 73,071
Fair Value of Previously Held Equity Method Investment
Carrying value of previously held equity method investment prior to the close of the transaction					$ 326,277	$ 204,507
Maiden Re
Purchase Price
Cash paid	$ 286,375
Adjustment for the fair value of preexisting relationships	10,273
Purchase price	296,648
Net assets acquired at fair value	296,648
Excess of purchase price over fair value of net assets acquired	$ 0
KaylaRe
Purchase Price
Adjustment for the fair value of preexisting relationships		$ 37,169
Value of ordinary shares issued		414,750
Fair value of previously held equity method investment		336,137
Purchase price		788,056
Net assets acquired at fair value		746,320
Excess of purchase price over fair value of net assets acquired		$ 41,736
Fair Value of Enstar Ordinary Shares Issued
Number of Enstar ordinary shares issued (shares) \| shares		2,007,017
Closing price of shares (dollars per share) \| $ / shares		$ 206.65
Fair value of Enstar ordinary shares issued to shareholders of KaylaRe		$ 414,750
Fair Value of Previously Held Equity Method Investment
Price-to-book multiple		1.05
Fair value of previously held equity method investment prior to the close of the transaction		$ 336,137
Gain recognized on remeasurement of previously held equity method investment to fair value			$ 16,000	$ 16,007
KaylaRe
Fair Value of Previously Held Equity Method Investment
Carrying value of previously held equity method investment prior to the close of the transaction							$ 320,130