Statutory Financial Data, Risk-Based Capital and Dividend Restrictions - Summary of Statutory Basis Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Conifer Insurance [Member]
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	$ 29,539	$ 30,637	$ 28,304
RBC authorized control level	6,676	5,390	5,008
Statutory net income (loss)	$ (2,782)	$ 387	$ (2,777)
RBC %	442.40%	568.50%	565.10%
American Colonial [Member]
Statutory Accounting Practices [Line Items]
Statutory capital and surplus		$ 22,523	$ 24,461
RBC authorized control level		2,809	1,460
Statutory net income (loss)		$ (2,278)	$ (1,670)
RBC %		801.80%	1675.70%
White Pine [Member]
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	$ 32,391	$ 17,452	$ 13,209
RBC authorized control level	6,583	2,978	2,708
Statutory net income (loss)	$ (1,209)	$ 784	$ (58)
RBC %	492.10%	585.10%	487.70%