INTEREST AND DIVIDEND ON INVESTMENTS- Components of interest and dividend income on investments (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components of interest and dividend income on investments [Abstract]
Interest income on investment securities, money market investments, and interest-bearing cash accounts	$ 74,114	$ 59,952	$ 70,201
Dividends on FHLB stock	1,394	1,959	2,682
Dividends on other equity securities	47	24	16
Total interest income and dividends on investments	$ 75,555	$ 61,935	$ 72,899

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

No definition available.

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Period Type:	duration