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v3.20.4

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Comprehensive Income [Abstract] |  |  |
Accounting Standards Update [Extensible List] |  |  | us-gaap:AccountingStandardsUpdate201601Member
Adoption of Accounting Standards Update 2016-01, income tax (benefit) |  |  | $ 2,141
Amounts reclassified from accumulated other comprehensive loss to interest expense, income tax expense | $ 156 | $ 471 | 876
Unrealized gains on interest rate swaps, income tax expense (benefit) |  |  | 254
Unrealized holding gains (losses) on available for sale debt securities, income tax expense (benefit) | 382 | 559 | (349)
Pension liability adjustments, income tax expense (benefit) | 1,663 | 194 | 269
Legal entity restructuring, income tax expense (benefit) |  | 17,694 |
Other, income tax expense (benefit) | $ 3,068 | $ (3,795) | $ (3,550)

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