Revenue from Contracts with Customers Disaggregates revenues from contracts with customer by revenue type (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	$ 8,860	$ 6,564	$ 18,511	$ 13,219
Insurance Services Revenue	1,962	1,818	4,935	3,572
Product [Member]
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	4,226	4,078	8,615	8,632
GAP commissions [Member]
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	200	235	392	252
Warranty product commissions [Member]
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	736	433	1,232	763
Homebuilder warranty service fees [Member]
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	1,736	0	3,337	0
Reportable Subsegments [Member]
Disaggregation of Revenue [Line Items]
Insurance Commissions and Fees	$ 8,860	$ 6,564	$ 18,511	$ 13,219

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No definition available.

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- Definition

Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(c),(d))
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.4)
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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- Definition

Revenue from insurance services, including net premiums earned, gain on sale of insurance block, agency management fees and insurance contract fees and commissions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.1,4)
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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