PARENT COMPANY FINANCIAL INFORMATION - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income:
Realized gain on sale of equity investment	$ 2,309	$ 9,493	$ 0
Other noninterest income	340,920	289,871	260,134
Expense:
Interest expense	358,144	251,419	40,925
Other operating expense	(1,063,582)	(976,522)	(703,815)
Net expenses	(705,438)	(725,103)	(662,890)
Income tax (benefit) expense	83,764	96,245	77,961
Net income attributable to WSFS	263,671	269,156	222,375
WSFS Financial Corporation
Income:
Interest income	1,252	817	374
Realized gain on sale of equity investment	2,105	9,493	0
Unrealized gains on equity investments, net	0	2,489	5,379
Other noninterest income	219,063	98,067	251,382
Total revenue	222,420	110,866	257,135
Expense:
Interest expense	16,661	16,610	11,763
Other operating expense	7,651	6,965	11,489
Net expenses	24,312	23,575	23,252
Income before equity in undistributed income of subsidiaries	198,108	87,291	233,883
Equity in undistributed income (loss) of subsidiaries	64,429	182,396	(12,672)
Income before taxes	262,537	269,687	221,211
Income tax (benefit) expense	(1,134)	531	(1,164)
Net income attributable to WSFS	$ 263,671	$ 269,156	$ 222,375