STOCK COMPENSATION PLANS (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended		6 Months Ended
	Jul. 01, 2025	May 05, 2025	Apr. 11, 2025	May 06, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Class A Stock [Member] | Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Granted		4,000	1,000	5,000
Fair value per share	$ 33.96	$ 34.27	$ 33.51	$ 37.07
Period after grant date in which shares vested and were released		1 year	1 year	1 year
Stock compensation expense					$ 47	$ 57	$ 92	$ 125
Class A Stock [Member] | Stock Options [Member]
Stock Compensation Plans [Abstract]
Granted							0
Options exercised							0
Class A Stock [Member] | Subsequent Event [Member] | Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Granted	1,000
2015 Equity Compensation Plan [Member] | Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Unrecognized expense related to non-vested option shares					$ 142		$ 142
Period over which unvested options cost will recognized							10 months 2 days
2015 Equity Compensation Plan [Member] | Stock Options [Member]
Stock Compensation Plans [Abstract]
Unvested shares outstanding					0		0
Unrecognized expense related to non-vested option shares					$ 0		$ 0