DEPOSITS

At December 31, 2017, the scheduled maturities of time certificates of deposit were as follows, in thousands:



2018	$	607,669
2019	154,548
2020	69,357
2021	38,179
2022	31,950
Thereafter	21,750
	$	923,453

The aggregate amount of time certificates of deposit in denominations of $100,000 or more as of December 31, 2017, and December 31, 2016, were $402.7 million and $369.9 million, respectively. The aggregate amount of time certificates of deposit in denominations of $250,000 or more as of December 31, 2017, and December 31, 2016 were $212.4 million and $190.8 million.

Interest expense on deposits for the years ended December 31, 2017, 2016, and 2015, was as follows, in thousands:



	2017		2016		2015
Savings and money market accounts	$	11,107	$	8,000	$	6,612
Time certificates of deposit in denominations of $100,000 or more	3,016		3,178		3,152
Other time deposits	4,156		4,761		5,766
Interest expense on deposits	$	18,279	$	15,939	$	15,530