Derivative Instruments - Derivatives Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Interest Rate Contract
Carrying amount of the hedged liability - Subordinated bank note - 2025	$ 160,340		$ 151,454
Cumulative amount of fair value hedging adjustments included in the carrying amount of the hedged liability - Subordinated bank note - 2025	11,602		$ 2,773
Gains and losses related to changes in the fair vale of the interest rate swap and hedged debt
Interest expense on borrowings	26,492	$ 14,857
Summary of Net Investment Hedge Activity [Abstract]
Effect of net investment hedges on accumulated other comprehensive income	13,695	(3,050)
Derivatives designated as hedges | Interest expense - borrowings
Gains and losses related to changes in the fair vale of the interest rate swap and hedged debt
Gain (loss) of fair value hedge: Hedged item	(8,830)	(2,610)
Gain (loss) of fair value hedge: Derivative designated as a hedging instrument	8,936	2,562
Gain (loss) on interest rate contract recognized in interest expense on borrowings	106	(48)
Derivatives designated as hedges | Net investment hedges | Forward foreign exchange contracts
Summary of Net Investment Hedge Activity [Abstract]
Effect of net investment hedges on accumulated other comprehensive income	$ 13,695	$ (3,050)