CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Allowance for doubtful accounts	$ 893	$ 769
Leases, allowance for doubtful accounts	$ 116	$ 192
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Traditional Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	13,250,000	13,250,000
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0
Public Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	13,250,000	13,250,000
Common stock, shares issued (in shares)	10,700,543	9,475,845
Common stock, shares outstanding (in shares)	10,700,543	9,475,845