Derivative Financial Instruments - Schedule of Derivative Instruments Gain Loss in Statement of Operations (Detail) - Foreign Exchange Forward [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 153	$ (1,001)
Designated as Hedging Instrument [Member] | Interest Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	509	509
Not Designated as Hedging Instrument [Member] | Interest Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	5	5
Not Designated as Hedging Instrument [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (361)	$ (1,515)