Deposits

The following table summarizes deposits at the dates indicated.



	At December 31,
				2014							2013
(Dollars in Thousands)	Weighted Average Rate			Balance		Percent of Total		Weighted Average Rate			Balance		Percent of Total
Core deposits:
Savings		0.05	%	$	2,237,142	23.54	%		0.05	%	$	2,493,899	25.31	%
Money market		0.24		2,373,484		24.96			0.25		1,972,136		20.01
NOW		0.06		1,331,345		14.01			0.06		1,231,890		12.50
Non-interest bearing NOW and demand deposit		—		867,432		9.13			—		865,588		8.78
Total core deposits		0.11		6,809,403		71.64			0.11		6,563,513		66.60
Certificates of deposit		1.47		2,695,506		28.36			1.50		3,291,797		33.40
Total deposits		0.50	%	$	9,504,909	100.00	%		0.57	%	$	9,855,310	100.00	%

The aggregate amount of certificates of deposit with balances equal to or greater than $100,000 was $871.2 million at December 31, 2014 and $1.06 billion at December 31, 2013. There were no brokered certificates of deposit at December 31, 2014 and 2013.

The following table details the scheduled maturities of our certificates of deposit at December 31, 2014.



Year	Weighted Average Rate				Balance		Percent of Total
				(In Thousands)
2015		1.44	%		$	1,577,360	58.52	%
2016		1.78			551,619		20.46
2017		1.09			277,620		10.30
2018		1.10			101,213		3.76
2019		1.50			186,384		6.91
2020 and thereafter		1.70			1,310		0.05
Total		1.47	%		$	2,695,506	100.00	%

The following table summarizes interest expense on deposits for the years indicated.



	For the Year Ended December 31,
(In Thousands)	2014		2013		2012
Savings	$	1,182	$	1,329	$	4,437
Money market	5,527		5,646		8,944
Interest-bearing NOW	706		691		978
Certificates of deposit	43,940		54,951		83,662
Total interest expense on deposits	$	51,355	$	62,617	$	98,021