Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The cumulative effect of the adjustments recorded to the opening balance sheet on January 1, 2022 for the adoption of ASU 2020-06 was as follows:

in thousands	Balance at December 31, 2021		Adjustments due to ASU 2020-06		Balance at January 1, 2022
Assets
Deferred income taxes(1)	$	15,717	$	1,770	$	17,487
Liabilities
Long-term debt, excluding current portion, net of debt issuance costs(2)	$	189,421	$	7,624	$	197,045
Equity
Additional paid-in capital(3)	$	248,153	$	(12,489)	$	235,664
Retained earnings(4)	$	750,445	$	6,635	$	757,080