Parent-only Financial Information - Financial Condition (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 131,555	$ 86,195
Available for sale debt securities, at fair value	976,919	1,063,079
Other assets	136,291	73,703
Total assets	9,808,578	9,725,769
Liabilities and Stockholders’ Equity
Other liabilities	140,179	68,817
Total stockholders’ equity	1,413,840	1,358,980	$ 1,298,661	$ 1,251,781
Total liabilities and stockholders’ equity	9,808,578	9,725,769
Provident Financial Services, Inc.
Assets
Cash and due from banks	29,723	7,569
Available for sale debt securities, at fair value	825	635
Investment in subsidiary	1,364,097	1,322,871
ESOP loan	31,113	36,756
Other assets	37	92
Total assets	1,425,795	1,367,923
Liabilities and Stockholders’ Equity
Due to subsidiary—SAP	11,741	7,996
Other liabilities	214	947
Total stockholders’ equity	1,413,840	1,358,980
Total liabilities and stockholders’ equity	$ 1,425,795	$ 1,367,923