Derivatives - Outstanding hedges (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Interest rate swaps \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount	$ 300,000	$ 450,000
Interest rate swaps \| Designated as Hedging Instrument \| Cash Flow Hedging \| Other assets, net
Derivative [Line Items]
Derivative asset, fair value, gross asset	0	0
Interest rate swaps \| Designated as Hedging Instrument \| Cash Flow Hedging \| Other liabilities
Derivative [Line Items]
Derivative liability, fair value, gross liability	17,872	$ 17,436
Foreign currency contracts \| Not Designated as Hedging Instrument, Economic Hedge
Derivative [Line Items]
Derivative, notional amount	30,300
Foreign currency contracts \| Not Designated as Hedging Instrument, Economic Hedge \| Other current assets
Derivative [Line Items]
Derivative asset, fair value, gross asset	151
Foreign currency contracts \| Not Designated as Hedging Instrument, Economic Hedge \| Other current liabilities
Derivative [Line Items]
Derivative liability, fair value, gross liability	$ 0

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Nominal or face amount used to calculate payment on derivative.

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