XML 38 R28.htm IDEA: XBRL DOCUMENT v3.21.2

Employee benefit plans (Tables)

6 Months Ended

Jun. 30, 2021

Employee benefit plans

Schedule of components of net periodic benefit cost

​

​	​	​	​	​	​	​
​	​	​
​	​	Pension Benefits
Three Months Ended June 30,		2021			2020
Components of net periodic pension benefit:		​	​		​	​
Interest cost	​	$	105	​	$	163
Expected return on plan assets	​		(322)	​		(371)
Amortization of unrecognized net gain	​		76	​		65
Net periodic benefit	​	$	(141)	​	$	(143)
​	​	​	​	​	​	​
​	​	​	​	​	​	​
​	​	​
​	​	Pension Benefits
Six Months Ended June 30,		2021			2020
Components of net periodic pension benefit:		​	​		​	​
Interest cost	​	$	210	​	$	217
Expected return on plan assets	​		(644)	​		(494)
Amortization of unrecognized net gain	​		152	​		87
Net periodic benefit	​	$	(282)	​	$	(190)

X

- References

No definition available.

+ Details

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

Name:	us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration