Consolidated Statements of Equity - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2023	2,810,000
Balance at Dec. 31, 2023		$ 281	$ 7,555	$ 205,669	$ (52,555)	$ 160,950
Purchase of treasury stock (in shares)	0					(29,855)
Purchase of treasury stock		0	0	0	(2,849)	$ (2,849)
Net income		0	0	11,319	0	11,319
Balance (in shares) at Mar. 31, 2024	2,810,000
Balance at Mar. 31, 2024			7,555	216,988	(55,404)	169,420
Purchase of treasury stock, at cost		0	0	0	2,849	2,849
Balance (in shares) at Dec. 31, 2023	2,810,000
Balance at Dec. 31, 2023		281	7,555	205,669	(52,555)	160,950
Net income						31,051
Balance (in shares) at Jun. 30, 2024	2,810,000
Balance at Jun. 30, 2024		281	7,555	236,720	(58,261)	186,295
Balance (in shares) at Mar. 31, 2024	2,810,000
Balance at Mar. 31, 2024			7,555	216,988	(55,404)	$ 169,420
Purchase of treasury stock (in shares)	0					(28,191)
Purchase of treasury stock		0	0	0	(2,857)	$ (2,857)
Net income		0	0	19,732	0	19,732
Balance (in shares) at Jun. 30, 2024	2,810,000
Balance at Jun. 30, 2024		281	7,555	236,720	(58,261)	186,295
Purchase of treasury stock, at cost		0	0	0	2,857	2,857
Balance (in shares) at Dec. 31, 2024	2,810,000
Balance at Dec. 31, 2024		281	7,555	261,073	(65,984)	$ 202,925
Purchase of treasury stock (in shares)	0					(36.6)
Purchase of treasury stock		0	0	0	(7,095)	$ (7,095)
Net income		0	0	9,134	0	9,134
Balance (in shares) at Mar. 31, 2025	2,810,000
Balance at Mar. 31, 2025		281	7,555	270,207	(73,079)	204,964
Purchase of treasury stock, at cost		(0)	(0)	(0)	7,095	7,095
Balance (in shares) at Dec. 31, 2024	2,810,000
Balance at Dec. 31, 2024		281	7,555	261,073	(65,984)	202,925
Net income						12,362
Balance (in shares) at Jun. 30, 2025	2,810,000
Balance at Jun. 30, 2025		281	7,555	273,435	(76,022)	205,249
Balance (in shares) at Mar. 31, 2025	2,810,000
Balance at Mar. 31, 2025		281	7,555	270,207	(73,079)	$ 204,964
Purchase of treasury stock (in shares)	0					(16,970)
Purchase of treasury stock		0	0	0	(2,943)	$ (2,943)
Net income		0	0	3,228	0	3,228
Balance (in shares) at Jun. 30, 2025	2,810,000
Balance at Jun. 30, 2025		281	7,555	273,435	(76,022)	205,249
Purchase of treasury stock, at cost		$ (0)	$ (0)	$ (0)	$ 2,943	$ 2,943