Annual report pursuant to Section 13 and 15(d)

Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Details)

v3.22.0.1
Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance $ 814,800 $ 944,800 $ 823,100
Other comprehensive income (loss) before reclassifications 2,300 (100) (3,600)
Amounts reclassified out of accumulated other comprehensive income (loss) 0 (1,400) (2,700)
Other comprehensive income (loss) 2,300 (1,500) (6,300)
Ending Balance 1,076,400 814,800 944,800
Other comprehensive income (loss) before reclassifications, tax expense 500 300 (800)
Amounts reclassified out of accumulated other comprehensive income (loss), tax expense   (600) (1,100)
Other comprehensive income (loss) before reclassifications, tax expense 500 300 (800)
Tax benefit associated with change in pension actuarial loss 500 (500) (700)
Amounts reclassified out of accumulated other comprehensive income (loss), tax expense   (600) (1,100)
Gains and (Losses) on Cash Flow Hedges      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance (1,500) (1,400) 3,000
Other comprehensive income (loss) before reclassifications 1,000 1,300 (1,700)
Amounts reclassified out of accumulated other comprehensive income (loss) 0 (1,400) (2,700)
Other comprehensive income (loss) 1,000 (100) (4,400)
Ending Balance (500) (1,500) (1,400)
Defined Benefit Pension Plan      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance (2,100) (700) 1,200
Other comprehensive income (loss) before reclassifications 1,300 (1,400) (1,900)
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0 0
Other comprehensive income (loss) 1,300 (1,400) (1,900)
Ending Balance (800) (2,100) (700)
Accumulated Other Comprehensive Income (Loss)      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning Balance (3,600) (2,100) 4,200
Ending Balance $ (1,300) $ (3,600) $ (2,100)