CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 22,593	$ 20,871	$ 16,568
Depreciation and amortization	3,973	3,977	3,839
Deferred income taxes	(720)	(688)	(321)
Noncash interest income	(1,872)	(128)
Other, net	391	341	269
Change in assets and liabilities:
Accounts receivable, net	764	(2,309)	(4,806)
Inventories, net	333	(5,832)	(7,479)
Accounts payable and accrued liabilities	104	943	2,547
Accounts with affiliates	425	(687)	854
Prepaids and other, net	(180)	403	(997)
Net cash provided by operating activities	25,811	16,891	10,474
Cash flows from investing activities:
Capital expenditures	(1,130)	(3,695)	(4,094)
Proceeds from sale of fixed assets, net		133	2
Purchases	(36,325)	(33,036)
Proceeds from maturities	36,000
Note receivable from affiliate:
Collections	30,500	29,800	40,600
Advances	(27,900)	(24,300)	(29,800)
Net cash provided by (used in) investing activities	1,145	(31,098)	6,708
Cash flows from financing activities:
Dividends paid	(12,311)	(33,880)	(9,929)
Treasury stock acquired		(1,744)	(1,311)
Net cash used in financing activities	(12,311)	(35,624)	(11,240)
Cash and cash equivalents - net change from:
Operating, investing and financing activities	14,645	(49,831)	5,942
Balance at beginning of year	26,748	76,579	70,637
Balance at end of year	41,393	26,748	76,579
Supplemental disclosures -
Cash paid for income taxes	$ 7,307	$ 7,817	$ 4,700