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Accumulated Other Comprehensive Income (Loss) - Reclassified by component (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Other interest expense $ (7,841) $ (11,245)
Other operating expense 5,931 4,777
Provision for income taxes 6,421 7,185
Total before tax 24,640 26,224
Net income 18,219 19,039
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]    
Provision for income taxes 840 812
Net income (1,810) (1,825)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]    
Other interest expense (2,650) (2,637)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]    
Other operating expense (6) (117)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]    
Other operating expense (7) 21
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]    
Provision for income taxes 4 30
Total before tax (13) (96)
Net income $ (9) $ (66)