REVENUE FROM CONTRACTS WITH CUSTOMERS (Schedule of non-interest income) (Details) $ in Thousands		3 Months Ended
Jan. 01, 2019 USD ($)	Mar. 31, 2019 USD ($) item	Mar. 31, 2018 USD ($)
Unrealized gain/loss of equity securities		$ 39
Total non-interest income		2,393	$ 5,312
Total non-interest income		2,354	5,312
ASU 2014-09
Adjustment to opening retained earnings		(117)
ASU 2014-09 \| Restatement Adjustment
Adjustment to opening retained earnings	$ 117
Service charges on deposit accounts
Non-interest income		819	1,910
Prepaid third-party debit card income
Non-interest income		1,257	908
Other service charges and fees
Non-interest income		$ 278	$ 2,494
Number of banks where bank outsources’ FX conversion for foreign currency transactions \| item		3

Total non-interest income from other operating income.

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Represents the number of banks where bank outsources’ FX conversion for foreign currency transactions.

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of revenue earned, classified as other, excluding interest income.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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