Fair value, after the 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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The amount of cash received during the period on settlement of a hedge.

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Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

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Percentage derived by dividing the change in value of a hedging instrument by the change in the value of the hedged item.

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Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Derivative Instruments - Derivatives Designated as Hedging Instruments Narrative (Details) € in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Aug. 21, 2018 USD ($)	Apr. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 derivative_instrument	May 31, 2017 USD ($) derivative_instrument
Derivatives, Fair Value [Line Items]
Fair value of derivative assets				$ 0		$ 3,259,000
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
(Loss) Gain Recognized in Comprehensive Income (Effective Portion)				(11,818,000)
Net Investment Cross Currency Swaps
Derivatives, Fair Value [Line Items]
(Loss) Gain Recognized in Comprehensive Income (Effective Portion)				3,868,000
Derivatives designated as hedging instruments: \| Interest Rate Swaps
Derivatives, Fair Value [Line Items]
(Loss) Gain Recognized in Comprehensive Income (Effective Portion)				0
Derivatives designated as hedging instruments: \| Net Investment Cross Currency Swaps
Derivatives, Fair Value [Line Items]
Fair value of derivative assets						$ 3,259,000
Derivatives designated as hedging instruments: \| Cross Currency Swaps
Derivatives, Fair Value [Line Items]
Fair value of derivative assets				$ 0
Derivatives designated as hedging instruments: \| Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Derivative, cash received on hedge	$ 14,117,000
Derivatives designated as hedging instruments: \| Cash Flow Hedging \| Interest Rate Swaps
Derivatives, Fair Value [Line Items]
General fair value hedge information, hedge effectiveness threshold				100.00%	100.00%
Number of interest rate derivatives held (derivative instrument) \| derivative_instrument								4
Derivatives designated as hedging instruments: \| Cash Flow Hedging \| Interest Rate Swap, Instrument One
Derivatives, Fair Value [Line Items]
Derivative, notional amount								$ 100,000,000
Derivatives designated as hedging instruments: \| Cash Flow Hedging \| Interest Rate Swap, Instrument Two
Derivatives, Fair Value [Line Items]
Derivative, notional amount								100,000,000
Derivatives designated as hedging instruments: \| Cash Flow Hedging \| Interest Rate Swap, Instrument Three
Derivatives, Fair Value [Line Items]
Derivative, notional amount								200,000,000
Derivatives designated as hedging instruments: \| Cash Flow Hedging \| Interest Rate Swap, Instrument Four
Derivatives, Fair Value [Line Items]
Derivative, notional amount								$ 300,000,000
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Net Investment Cross Currency Swaps
Derivatives, Fair Value [Line Items]
Number of currency derivatives held (derivative instrument) \| derivative_instrument							2
General fair value hedge information, hedge effectiveness threshold				100.00%	100.00%
(Loss) Gain Recognized in Comprehensive Income (Effective Portion)				$ 0
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument One
Derivatives, Fair Value [Line Items]
Derivative, cash received on hedge		$ 7,679,000
Derivative, notional amount				$ 59,210,000	€ 50,000
Implied exchange rate				1.1842	1.1842
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument One \| Euro Member Countries, Euro
Derivatives, Fair Value [Line Items]
Swaption interest rate				5.63%	5.63%
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument One \| United States of America, Dollars
Derivatives, Fair Value [Line Items]
Swaption interest rate				8.25%	8.25%
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument Two
Derivatives, Fair Value [Line Items]
Derivative, notional amount				$ 59,360,000	€ 50,000
Implied exchange rate				1.1872	1.1872
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument Two \| Euro Member Countries, Euro
Derivatives, Fair Value [Line Items]
Swaption interest rate				5.6675%	5.6675%
Derivatives designated as hedging instruments: \| Net Investment Hedging \| Cross Currency Interest Rate Contract, Instrument Two \| United States of America, Dollars
Derivatives, Fair Value [Line Items]
Swaption interest rate				8.25%	8.25%
Interest Expense \| Derivatives designated as hedging instruments: \| Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Cash flow hedge, reclassification for discontinuance, before tax			$ 9,800,000