Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Voting and Nonvoting Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Balance, beginning of period at Dec. 31, 2023	$ 362,795	$ 184,700	$ 207,470	$ (29,375)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	17,946		17,946
Other comprehensive income (loss)	5,049			5,049
Dividends declared	(1,592)		(1,592)
Recognition of the fair value of share-based compensation	1,356	1,356
Repurchased shares of common stock	(283)	(283)
Excise tax on repurchase of common stock	(3)	(3)
Deferred stock rights and restricted stock units issued in lieu of cash dividends payable on outstanding deferred stock rights and restricted stock units	3	3
Common stock redeemed for the net settlement of share-based awards	(142)	(142)
Balance, end of period at Sep. 30, 2024	385,129	185,631	223,824	(24,326)
Balance, beginning of period at Jun. 30, 2024	371,953	185,175	217,365	(30,587)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	6,990		6,990
Other comprehensive income (loss)	6,261			6,261
Dividends declared	(531)		(531)
Recognition of the fair value of share-based compensation	454	454
Deferred stock rights and restricted stock units issued in lieu of cash dividends payable on outstanding deferred stock rights and restricted stock units	2	2
Balance, end of period at Sep. 30, 2024	385,129	185,631	223,824	(24,326)
Balance, beginning of period at Dec. 31, 2024	384,063	186,094	230,622	(32,653)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(40,457)		(40,457)
Other comprehensive income (loss)	9,649			9,649
Dividends declared	(1,601)		(1,601)
Recognition of the fair value of share-based compensation	733	733
Deferred stock rights and restricted stock units issued in lieu of cash dividends payable on outstanding deferred stock rights and restricted stock units	5	5
Common stock redeemed for the net settlement of share-based awards	(224)	(224)
Balance, end of period at Sep. 30, 2025	352,168	186,608	188,564	(23,004)
Balance, beginning of period at Jun. 30, 2025	390,239	186,116	230,690	(26,567)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(41,593)		(41,593)
Other comprehensive income (loss)	3,563			3,563
Dividends declared	(533)		(533)
Recognition of the fair value of share-based compensation	490	490
Deferred stock rights and restricted stock units issued in lieu of cash dividends payable on outstanding deferred stock rights and restricted stock units	2	2
Balance, end of period at Sep. 30, 2025	$ 352,168	$ 186,608	$ 188,564	$ (23,004)