Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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FAIR VALUE MEASUREMENTS - Summary of Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Assets
Loans held for sale	$ 1,230,311	$ 1,858,358
Pledged securities	86,900	84,850	$ 75,225	$ 72,190
Derivative assets	15,446	61,824
Liabilities
Derivative liabilities	9,449	4,396
Recurring
Assets
Loans held for sale	1,230,311	1,858,358
Pledged securities	86,900	84,850
Derivative assets	15,446	61,824
Total financial assets	1,332,657	2,005,032
Liabilities
Derivative liabilities	9,449	4,396
Total financial liabilities	9,449	4,396
Level 1 \| Recurring
Assets
Pledged securities	86,900	84,850
Total financial assets	86,900	84,850
Level 2 \| Recurring
Assets
Loans held for sale	1,230,311	1,858,358
Total financial assets	1,230,311	1,858,358
Level 3 \| Recurring
Assets
Derivative assets	15,446	61,824
Total financial assets	15,446	61,824
Liabilities
Derivative liabilities	9,449	4,396
Total financial liabilities	$ 9,449	$ 4,396