Note 8: Deposits

12 Months Ended

Dec. 31, 2018

Deposits at December 31, 2018 and 2017, are summarized as follows:

	Weighted Average
	Interest Rate	2018	2017
		(In Thousands, Except Interest Rates)

Noninterest-bearing accounts	—	$ 661,061	$ 661,589
Interest-bearing checking and
savings accounts	0.46% - 0.32%	1,472,535	1,565,711
		2,133,596	2,227,300

Certificate accounts	0% - 0.99%	150,656	254,502
	1% - 1.99%	511,873	1,006,373
	2% - 2.99%	857,973	106,888
	3% - 3.99%	69,793	701
	4% - 4.99%	1,116	1,108
	5% and above	—	272
		1,591,411	1,369,844

		$ 3,725,007	$ 3,597,144

The weighted average interest rate on certificates of deposit was 1.98% and 1.24% at December 31, 2018 and 2017, respectively.

The aggregate amount of certificates of deposit originated by the Bank in denominations greater than $100,000 was approximately $733.9 million and $598.2 million at December 31, 2018 and 2017, respectively. The Bank utilizes brokered deposits as an additional funding source. The aggregate amount of brokered deposits was approximately $326.9 million and $260.0 million at December 31, 2018 and 2017, respectively.

At December 31, 2018, scheduled maturities of certificates of deposit were as follows:

	Retail	Brokered	Total
	(In Thousands)

2019	$ 928,900	$ 286,922	$ 1,215,822
2020	219,704	40,000	259,704
2021	73,724	—	73,724
2022	26,012	—	26,012
2023	14,705	—	14,705
Thereafter	1,444	—	1,444

	$ 1,264,489	$ 326,922	$ 1,591,411

A summary of interest expense on deposits for the years ended December 31, 2018, 2017 and 2016, is as follows:

	2018	2017	2016
	(In Thousands)

Checking and savings accounts	$ 5,982	$ 4,699	$ 3,888
Certificate accounts	22,149	16,009	13,598
Early withdrawal penalties	(174)	(113)	(99)

	$ 27,957	$ 20,595	$ 17,387