PARENT COMPANY FINANCIAL INFORMATION - Condensed Statements of Financial Condition (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Cash and cash equivalents	$ 1,092,900	$ 837,258
Other assets	712,022	714,554
Total assets	20,594,672	19,914,755
Liabilities:
Trust preferred borrowings	90,638	90,442
Senior and subordinated debt	218,400	248,169
Accrued interest payable	46,684	5,174
Other liabilities	709,011	777,232
Total liabilities	18,124,857	17,712,869
Stockholders’ equity:
Common stock	761	759
Capital in excess of par value	1,984,746	1,974,210
Accumulated other comprehensive loss	(593,991)	(675,844)
Retained earnings	1,643,657	1,411,243
Treasury stock	(557,537)	(505,255)
Total stockholders’ equity of WSFS	2,477,636	2,205,113
Total liabilities and stockholders’ equity	20,594,672	19,914,755
WSFS Financial Corporation
Assets:
Cash and cash equivalents	197,270	205,841
Investment in subsidiaries	2,585,151	2,320,474
Investment in Trusts	2,785	2,785
Other assets	5,869	16,944
Total assets	2,791,075	2,546,044
Liabilities:
Trust preferred borrowings	90,638	90,442
Senior and subordinated debt	218,400	248,169
Accrued interest payable	949	1,168
Other liabilities	3,452	1,152
Total liabilities	313,439	340,931
Stockholders’ equity:
Common stock	761	759
Capital in excess of par value	1,984,746	1,974,210
Accumulated other comprehensive loss	(593,991)	(675,844)
Retained earnings	1,643,657	1,411,243
Treasury stock	(557,537)	(505,255)
Total stockholders’ equity of WSFS	2,477,636	2,205,113
Total liabilities and stockholders’ equity	$ 2,791,075	$ 2,546,044