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Leases Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Lease, Cost [Table Text Block] The following table presents information related to our total lease cost included in our consolidated statements of income:
 Year Ended
December 31,
( in thousands)Classification20212020
Operating lease cost (1)
Operations expense$2,064 $2,029 
(1) Includes short-term leases and variable lease costs, which are immaterial.
Schedule of Leases Reported on Consolidated Statement of Financial Position [Table Text Block]
The following table presents the balance and classifications of our right-of-use assets and lease liabilities included in our consolidated balance sheet at December 31, 2021 and 2020:
(in thousands)Balance sheet classificationDecember 31, 2021December 31, 2020
Assets 
Operating lease assetsOperating lease right-of-use assets$10,139 $11,194 
Liabilities
Current
Operating lease liabilitiesOther accrued liabilities$1,996 $1,747 
Noncurrent
Operating lease liabilitiesOperating lease - liabilities 8,571 9,872 
Total lease liabilities $10,567 $11,619 
Leases, Weighted Average Remaining Lease Term [Table Text Block] The following table presents our weighted-average remaining lease term and weighted-average discount rate for our operating leases at December 31, 2021 and 2020:
December 31, 2021December 31, 2020
Weighted-average remaining lease term (in years)
 
Operating leases8.108.70
Weighted-average discount rate
Operating leases3.6 %3.8 %
Lease, Cash Flow [Table Text Block]
The following table presents additional information related to cash paid for amounts included in the measurement of lease liabilities included in our consolidated statements of cash flows at December 31, 2021 and 2020:
Year Ended December 31,
(in thousands)20212020
Operating cash flows from operating leases$1,996 $1,956 
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
The following table presents the future undiscounted maturities of our operating leases at December 31, 2021 and for each of the next five years and thereafter:
(in thousands)
Operating Leases (1)
2022$2,019 
20231,902 
20241,672 
20251,341 
2026885 
Thereafter3,668 
Total lease payments11,487 
Less: Interest(920)
Present value of lease liabilities$10,567 
(1) Operating lease payments include $2.1 million related to options to extend lease terms that are reasonably certain of being exercised.