Statutory Accounting and Regulation - Schedule of Statutory Net Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
United Property & Casualty Insurance Company
Statutory Accounting Practices
Statutory net income	$ (6,039)	$ (1,172)
Family Security Insurance Company
Statutory Accounting Practices
Statutory net income	2,937	$ 96
Interboro Insurance Company
Statutory Accounting Practices
Statutory net income	$ 2,079

Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration