Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended				6 Months Ended
	Apr. 15, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator [Abstract]
Net income (loss)		$ 5,022	$ (3,573)	$ (1,027)	$ (3,584)	$ 1,449	$ (4,611)
Denominator [Abstract]
Maximum Capital Contribution	$ 10,000
Minimum Capital Level, Percent	120.00%
Statutory Accounting Practices, Risk Based Capital Requirements Compliance Assertion						All insurance subsidiaries exceeded the minimum capital requirements
Common Stock Class A [Member]
Numerator [Abstract]
Net Income (Loss) Available to Common Stockholders, Basic		5,010		(1,017)		$ 1,441	(4,565)
Net Income (Loss) Available to Common Stockholders, Diluted		$ 5,010		$ (1,017)		$ 1,441	$ (4,565)
Denominator [Abstract]
Weighted Average Number of Shares Outstanding, Basic		49,602		49,345		49,578	49,322
Weighted Average Number of Shares Outstanding, Diluted		50,192		49,528		50,145	49,506
Basic and diluted earnings (loss) per share (in dollars per share)		$ 0.10		$ (0.02)		$ 0.03	$ (0.09)
Common Stock Class B [Member]
Numerator [Abstract]
Net Income (Loss) Available to Common Stockholders, Basic		$ 12		$ (10)		$ 8	$ (46)
Net Income (Loss) Available to Common Stockholders, Diluted		$ 12		$ (10)		$ 8	$ (46)
Denominator [Abstract]
Weighted Average Shares Outstanding, Basic and Diluted		250		1,002		572	1,002
Basic and diluted earnings (loss) per share (in dollars per share)		$ 0.05		$ (0.01)		$ 0.01	$ (0.05)