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Acquisition - Summary of Preliminary Purchase Price Allocation (Detail) - USD ($)
$ in Thousands
Nov. 01, 2019
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]      
Goodwill   $ 146,861 $ 59,713
LiquidityEdge LLC [Member]      
Business Acquisition [Line Items]      
Purchase price $ 152,677    
Less: acquired cash (2,935)    
Purchase price, net of acquired cash 149,742    
Accounts receivable (1,811)    
Intangible assets (58,780)    
Prepaid expenses and other assets (4,168)    
Accounts payable, accrued expenses and other liabilities 2,165    
Goodwill $ 87,148