Acquisitions (Narrative) (Details) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Aug. 31, 2018 USD ($)	Dec. 31, 2020 USD ($) Number	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) Number	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jan. 02, 2020
Business Acquisition [Line Items]
Revenue contribution		$ 83,650	$ 80,854	$ 95,667	$ 46,186	$ 71,311	$ 70,248	$ 68,648	$ 60,572	$ 306,357	$ 270,779	$ 212,370
Net income		22,446	$ 3,686	$ 18,767	$ (3,555)	17,148	$ (6,959)	$ 2,515	$ 13,796	41,344	26,500	31,244
Direct Auto Insurance Company [Member]
Business Acquisition [Line Items]
Ownership percentage in acquisition	100.00%
Gain on bargain purchase	$ 4,578									4,578		4,578
Revenue contribution												14,178
Net income												2,979
Acquisition related costs incurred												$ 118
Fair values of acquired intangibles		248								$ 248
Finite lived intangible asset useful life										5 years
Direct Auto Insurance Company [Member] | State Insurance License [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		100								$ 100
Direct Auto Insurance Company [Member] | Favorable Lease Contract [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		20								20
Direct Auto Insurance Company [Member] | Direct Auto Trade Name [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		248								248
Direct Auto Insurance Company [Member] | VOBA [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		5,134								5,134
Westminster American Insurance Company [Member]
Business Acquisition [Line Items]
Ownership percentage in acquisition													100.00%
Acquisition related costs incurred		828				$ 83				828	$ 83
Fair values of acquired intangibles		$ 500								$ 500
Number of installments | Number		3								3
Westminster American Insurance Company [Member] | State Insurance License [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		$ 1,800								$ 1,800
Westminster American Insurance Company [Member] | Direct Auto Trade Name [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		500								500
Westminster American Insurance Company [Member] | VOBA [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		4,750								4,750
Westminster American Insurance Company [Member] | Distribution Network [Member]
Business Acquisition [Line Items]
Fair values of acquired intangibles		$ 6,700								$ 6,700