CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Total Stockholders' Equity of WSFS	Common Stock	Capital in Excess of Par Value	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock	Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2023				76,095,094
Beginning balance at Dec. 31, 2023		$ 2,469,815	$ 2,477,636	$ 761	$ 1,984,746	$ (593,991)	$ 1,643,657	$ (557,537)	$ (7,821)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		199,340	199,469				199,469		(129)
Other comprehensive income (loss)		93,974	93,974			93,974
Cash dividend		(26,983)	(26,983)				(26,983)
Distributions to noncontrolling shareholders		(3,299)							(3,299)
Issuance of common stock including proceeds from exercise of common stock options (in shares)	[1]			151,677
Issuance of common stock including proceeds from exercise of common stock options	[1]	337	337	$ 1	336
Stock-based compensation expense		8,990	8,990		8,990
Repurchases of common stock	[2]	(75,159)	(75,159)		0			(75,159)
Ending balance (in shares) at Sep. 30, 2024				76,246,771
Ending balance at Sep. 30, 2024		2,667,015	2,678,264	$ 762	1,994,072	(500,017)	1,816,143	(632,696)	(11,249)
Beginning balance (in shares) at Jun. 30, 2024				76,208,354
Beginning balance at Jun. 30, 2024		2,478,357	2,489,580	$ 762	1,989,289	(642,878)	1,760,598	(618,191)	(11,223)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		64,409	64,435				64,435		(26)
Other comprehensive income (loss)		142,861	142,861			142,861
Cash dividend		(8,890)	(8,890)				(8,890)
Issuance of common stock including proceeds from exercise of common stock options (in shares)	[3]			38,417
Issuance of common stock including proceeds from exercise of common stock options	[3]	1,436	1,436		1,436
Stock-based compensation expense		2,813	2,813		2,813
Repurchases of common stock	[4]	(13,971)	(13,971)		534			(14,505)
Ending balance (in shares) at Sep. 30, 2024				76,246,771
Ending balance at Sep. 30, 2024		2,667,015	2,678,264	$ 762	1,994,072	(500,017)	1,816,143	(632,696)	(11,249)
Beginning balance (in shares) at Dec. 31, 2024				76,264,211
Beginning balance at Dec. 31, 2024		2,579,376	2,589,752	$ 763	1,996,191	(624,877)	1,871,523	(653,848)	(10,376)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		214,555	214,671				214,671		(116)
Other comprehensive income (loss)		150,188	150,188			150,188
Cash dividend		(27,911)	(27,911)				(27,911)
Issuance of common stock including proceeds from exercise of common stock options (in shares)	[5]			180,746
Issuance of common stock including proceeds from exercise of common stock options	[5]	(2,951)	(2,951)	$ 1	(2,952)
Stock-based compensation expense		9,442	9,442		9,442
Repurchases of common stock	[6]	(179,918)	(179,918)					(179,918)
Ending balance (in shares) at Sep. 30, 2025				76,444,957
Ending balance at Sep. 30, 2025		2,742,781	2,753,273	$ 764	2,002,681	(474,689)	2,058,283	(833,766)	(10,492)
Beginning balance (in shares) at Jun. 30, 2025				76,425,414
Beginning balance at Jun. 30, 2025		2,672,218	2,682,728	$ 764	1,999,338	(522,156)	1,991,330	(786,548)	(10,510)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		76,467	76,449				76,449		18
Other comprehensive income (loss)		47,467	47,467			47,467
Cash dividend		(9,496)	(9,496)				(9,496)
Issuance of common stock including proceeds from exercise of common stock options (in shares)	[7]			19,543
Issuance of common stock including proceeds from exercise of common stock options	[7]	228	228		228
Stock-based compensation expense		3,115	3,115		3,115
Repurchases of common stock	[8]	(47,218)	(47,218)					(47,218)
Ending balance (in shares) at Sep. 30, 2025				76,444,957
Ending balance at Sep. 30, 2025		$ 2,742,781	$ 2,753,273	$ 764	$ 2,002,681	$ (474,689)	$ 2,058,283	$ (833,766)	$ (10,492)

[1] Issuance of common stock includes 51,714 shares withheld to cover tax liabilities.

[2] Repurchases of common stock includes 1,656,501 shares repurchased in connection with the Company's share repurchase program approved by the Board of Directors.

[3] Issuance of common stock includes 1,610 shares withheld to cover tax liabilities.

[4] Repurchases of common stock includes 266,672 shares repurchased in connection with the Company's share repurchase program approved by the Board of Directors.

[5] Issuance of common stock includes 89,919 shares withheld to cover tax liabilities.

[6] Repurchases of common stock includes 3,410,513 shares repurchased in connection with the Company's share repurchase program approved by the Board of Directors.

[7] Issuance of common stock includes 6,701 shares withheld to cover tax liabilities.

[8] Repurchases of common stock includes 827,100 shares repurchased in connection with the Company's share repurchase program approved by the Board of Directors.