Acquisition	12 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]
Acquisition	Acquisition Pursuant to an October 22, 2014 Stock Purchase Agreement, the Company purchased all the issued and outstanding shares of Workmen’s Auto Insurance Company ("WAIC"), a California domiciled property and casualty insurance company, on January 2, 2015. WAIC is a Los Angeles-based non-standard, private passenger automobile insurance company that operates predominantly in California. The Company intends to use the WAIC non-standard automobile product to complement the Company’s preferred and standard product offerings. The Company paid $8 million in cash for the shares of WAIC, of which $2 million had been held in escrow for up to three years as security for any loss development on claims incurred on or prior to June 30, 2014. Based on the evaluation performed at the acquisition date and at December 31, 2015, of the claims reserves for WAIC for losses and loss adjustment expenses incurred on or prior to June 30, 2014, the Company estimated that it would recover the $2 million held in escrow and, therefore, the Company deducted it from cash consideration to arrive at the fair value of total consideration transferred. The Company recovered the $2 million held in escrow in 2016. In accordance with regulatory approval requirements, the Company made a $15 million cash capital contribution to WAIC on January 12, 2015.

Acquisition

Pursuant to an October 22, 2014 Stock Purchase Agreement, the Company purchased all the issued and outstanding shares of Workmen’s Auto Insurance Company ("WAIC"), a California domiciled property and casualty insurance company, on January 2, 2015.

WAIC is a Los Angeles-based non-standard, private passenger automobile insurance company that operates predominantly in California. The Company intends to use the WAIC non-standard automobile product to complement the Company’s preferred and standard product offerings.

The Company paid $8 million in cash for the shares of WAIC, of which $2 million had been held in escrow for up to three years as security for any loss development on claims incurred on or prior to June 30, 2014. Based on the evaluation performed at the acquisition date and at December 31, 2015, of the claims reserves for WAIC for losses and loss adjustment expenses incurred on or prior to June 30, 2014, the Company estimated that it would recover the $2 million held in escrow and, therefore, the Company deducted it from cash consideration to arrive at the fair value of total consideration transferred. The Company recovered the $2 million held in escrow in 2016. In accordance with regulatory approval requirements, the Company made a $15 million cash capital contribution to WAIC on January 12, 2015.