Employee benefit plans (Tables)

12 Months Ended

Dec. 31, 2025

Defined Benefit Plan Disclosure [Line Items]

Schedule of Components of Net Periodic Defined Benefit Pension Cost

	Years ended December 31,
	2023		2024		2025
	(In thousands)
Net periodic pension cost:
Interest cost	$	1,619	$	1,385	$	1,421
Expected return on plan assets		(1,452)		(1,340)		(1,269)
Settlement loss on pension plan termination and buy-out		4,911		—		19,670
Recognized actuarial losses		1,391		1,330		1,162
Total	$	6,469	$	1,375	$	20,984

Pension Plan

Defined Benefit Plan Disclosure [Line Items]

Funded Status of Defined Benefit Plans

	December 31,
	2024		2025
	(In thousands)
Change in projected benefit obligations ("PBO"):
Benefit obligations at beginning of the year	$	29,438	$	26,566
Interest cost		1,385		1,421
Plan settlement		—		(27,370)
Actuarial (gains) losses		(1,345)		2,274
Benefits paid		(2,912)		(2,770)
Benefit obligations at end of the year		26,566		121
Change in plan assets:
Fair value of plan assets at beginning of the year		27,810		26,802
Actual return on plan assets		899		1,444
Employer contributions		1,005		42
Plan settlement		—		(27,370)
Benefits paid		(2,912)		(2,770)
Other		—		1,852
Fair value of plan assets at end of year		26,802		—
Funded status	$	236	$	(121)
Amounts recognized in the balance sheet:
Noncurrent pension asset	$	354	$	—
Accrued pension costs:
Current		(42)		(42)
Noncurrent		(76)		(79)
Total		236		(121)
Accumulated other comprehensive loss - actuarial losses, net		19,877		—
Total	$	20,113	$	(121)
Accumulated benefit obligations ("ABO")	$	26,566	$	121

Changes in Other Comprehensive Income (Loss)

	Years ended December 31,
	2023		2024		2025
	(In thousands)
Changes in plan assets and benefit obligations recognized in   other comprehensive income:
Net actuarial gain (loss) arising during the year	$	(574)	$	904	$	(2,099)
Pension plan settlement loss		4,911		—		20,841
Amortization of unrecognized net actuarial gain		1,391		1,330		1,135
Total	$	5,728	$	2,234	$	19,877

Information Concerning Defined Benefit Pension Plans (Including Certain Plans for Which ABO Exceeds Fair Value of Plan Assets)

	December 31,
	2024		2025
	(In thousands)
Plans for which the ABO exceeds plan assets:
PBO	$	118	$	121
ABO		118		121
Fair value of plan assets		—		—

Summary of Assumptions Used to Determine Net Benefit Obligation

	Years ended December 31,
Rate	2023		2024		2025
Discount rate	5.1	%	5.0	%	5.5	%
Long-term rate of return on plan assets	4.9	%	5.0	%	—	%

Schedule of composition of our pension plan assets by fair value level

	Fair Value Measurements
			Quoted prices		Significant other		Significant
			in active		observable		unobservable		Assets measured
	Total		markets (Level 1)		inputs (Level 2)		inputs (Level 3)		at NAV
	(In thousands)
December 31, 2024:
U.S.:
Equities	$	4,503	$	—	$	—	$	—	$	4,503
Fixed income		21,141		—		—		—		21,141
Cash and other		1,158		290		—		48		820
Total	$	26,802	$	290	$	—	$	48	$	26,464