Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
ASSETS
Fixed maturities available for sale, amortized cost	$ 25,173	$ 32,474
Equity securities, at cost	1,099	794
Trade accounts receivable, allowances	$ 49	$ 42
Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A Treasury stock, common shares (in shares)		103,492
Class A Common Stock [Member]
Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	9,086,776	9,156,293
Common stock, shares outstanding (in shares)	9,086,776	9,052,801
Class B Common Stock [Member]
Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	7,750,528	7,801,995
Common stock, shares outstanding (in shares)	7,750,528	7,801,995