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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets |  |
Allowance for doubtful accounts | $ 5,099 | $ 9,979
Deferred and other compensation | 13,956 | 10,636
Capital investments | 3,795 | 3,790
Debt, capitalized fees, and other interest | 329 | 2,291
Pension and other post-employment benefits | 37,569 | 51,231
Operating lease liability | 9,726 | 7,539
Reserve for facility exit costs | 5,070 | 7,053
Net operating loss and credit carryforwards | 26,522 | 28,611
Fixed assets and capitalized software | 0 | 420
Non-compete and other agreements | 40,335 | 46,213
Goodwill and other intangible assets | 0 | 8,335
Other, net | 6,435 | 8,566
Total deferred tax assets | 148,836 | 184,664
Net deferred tax assets | 127,498 | 160,357
Deferred tax liabilities |  |
Deferred revenue | (21,033) | (46,501)
Goodwill and other intangible assets | (6,764) | 0
Deferred costs | (2,254) | (3,003)
Investment in subsidiaries | (4,828) | (5,466)
Operating lease right-of-use assets | (7,572) | (9,362)
Fixed assets and capitalized software | (2,466) | 0
Other, net | (2,814) | (3,434)
Total deferred tax (liabilities) | (47,731) | (67,766)
Net deferred tax asset | $ 79,767 | $ 92,591

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