Statutory Financial Data, Risk-Based Capital and Dividend Restrictions - Summary of Statutory Basis Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CIC
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	$ 47,121	$ 35,848	$ 29,539
RBC authorized control level	11,901	8,873	6,676
Statutory net income (loss)	$ 1,244	$ (6,993)	$ (2,782)
RBC %	396.00%	404.00%	442.00%
WPIC
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	$ 26,588	$ 26,075	$ 32,391
RBC authorized control level	4,682	6,224	6,583
Statutory net income (loss)	$ 834	$ (13,737)	$ (1,209)
RBC %	568.00%	419.00%	492.00%

Statutory Accounting Practices, Risk Based Capital, Percentage

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- Definition

Statutory Accounting Practices, Risk Based Capital Requirements, Authorized Control Level

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529

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- Definition

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

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