CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	20,000,000	20,000,000
Preferred stock, shares issued (in shares)	3,567,543	3,567,543
Preferred stock, shares outstanding (in shares)	3,567,543	3,567,543
Treasury stock, at cost (in shares)	144,594	144,594
Common Class A
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	16,002,360	15,791,019
Common stock, shares outstanding (in shares)	15,857,766	15,646,425
Common Class B
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	20,000,000	20,000,000
Common stock, shares outstanding (in shares)	20,000,000	20,000,000
Trade Accounts Receivable
Allowance for doubtful accounts	$ 5,486	$ 2,368