DEPOSITS (Tables)

12 Months Ended

Dec. 31, 2020

Deposits [Abstract]

Summary of Deposit Balances [Table Text Block]

The following table summarizes deposit balances as of the dates indicated:
	December 31,
	2020		2019
(In thousands)
Type of account and interest rate:
Non-interest-bearing deposit accounts	$	4,546,123	$	2,367,856
Interest-bearing savings accounts - 0.05% to 1.40% (2019- 0.05% to 2.00%)		4,088,969		2,437,345
Interest-bearing checking accounts - 0.05% to 1.75% (2019- 0.05% to 1.00%)		3,651,806		1,412,390
Certificates of deposit ("CDs")- 0.10% to 4.75% (2019- 0.10% to 4.00%)		2,814,313		2,695,749
Brokered CDs- 0.85% to 2.75% (2019- 1.20% to 3.00%)		216,172		435,089
	$	15,317,383	$	9,348,429

Schedule of contractual maturities of CDs

The following table presents the contractual maturities of CDs, including brokered CDs, as of December 31, 2020:
		Total
(In thousands)
Three months or less	$	658,417
Over three months to six months		527,542
Over six months to one year		779,370
Over one year to two years		594,688
Over two years to three years		252,014
Over three years to four years		135,653
Over four years to five years		68,260
Over five years		14,541
Total	$	3,030,485

Brokered Certificates Of Deposit Mature [Table Text Block]

Brokered CDs mature as follows:
	December 31,
	2020
(In thousands)
Three months or less	$	54,118
Over three months to six months		24,502
Over six months to one year		37,287
Over one year to three years		77,953
Over three years to five years		22,312
Total	$	216,172

Schedule of Interest Expenses on Deposits [Table Text Block]

A table showing interest expense on deposits for the indicated periods follows:
		Year Ended December 31,
		2020		2019		2018
(In thousands)
Interest-bearing checking accounts	$	5,933	$	6,071	$	5,208
Savings		11,116		16,017		14,298
CDs		43,350		44,658		33,652
Brokered CDs		7,989		11,036		14,493
Total	$	68,388	$	77,782	$	67,651