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 Income (Loss)	Retained Earnings	Treasury Stock	Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2020				57,575,783
Beginning balance at Dec. 31, 2020		$ 1,789,480	$ 1,791,726	$ 576	$ 1,053,022	$ 56,007	$ 977,414	$ (295,293)	$ (2,246)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		271,605	271,442				271,442		163
Other comprehensive (loss) income		(93,775)	(93,775)			(93,775)
Cash dividend		(24,242)	(24,242)				(24,242)
Issuance of common stock including proceeds from exercise of common stock options (in shares)				119,893
Issuance of common stock including proceeds from exercise of common stock options		1,522	1,522	$ 1	1,521
Stock-based compensation expense		5,694	5,694		5,694
Repurchases of common stock	[1]	(13,268)	(13,268)		(1,240)			(12,028)
Ending balance (in shares) at Dec. 31, 2021				57,695,676
Ending balance at Dec. 31, 2021		1,937,016	1,939,099	$ 577	1,058,997	(37,768)	1,224,614	(307,321)	(2,083)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		222,648	222,375				222,375		273
Other comprehensive (loss) income		(638,076)	(638,076)			(638,076)
Cash dividend		(35,746)	(35,746)				(35,746)
Issuance of common stock including proceeds from exercise of common stock options (in shares)				109,473
Issuance of common stock including proceeds from exercise of common stock options		3,179	3,179	$ 1	3,178
Distributions to noncontrolling shareholders		(504)							(504)
Issuance of common stock in acquisition of BMT (in shares)				18,116,848
Issuance of common stock in acquisition of BMT		908,016	908,016	$ 181	907,835
Noncontrolling interest assumed in acquisition		(913)							(913)
Stock-based compensation expense		6,349	6,349		6,349
Repurchases of common stock	[1]	(200,083)	(200,083)		(2,149)			(197,934)
Ending balance (in shares) at Dec. 31, 2022				75,921,997
Ending balance at Dec. 31, 2022		2,201,886	2,205,113	$ 759	1,974,210	(675,844)	1,411,243	(505,255)	(3,227)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		269,025	269,156				269,156		(131)
Other comprehensive (loss) income		81,853	81,853			81,853
Cash dividend		(36,742)	(36,742)				(36,742)
Issuance of common stock including proceeds from exercise of common stock options (in shares)				173,097
Issuance of common stock including proceeds from exercise of common stock options		3,298	3,298	$ 2	3,296
Distributions to noncontrolling shareholders		(4,463)							(4,463)
Stock-based compensation expense		9,605	9,605		9,605
Repurchases of common stock	[1]	(54,647)	(54,647)		(2,365)			(52,282)
Ending balance (in shares) at Dec. 31, 2023				76,095,094
Ending balance at Dec. 31, 2023		$ 2,469,815	$ 2,477,636	$ 761	$ 1,984,746	$ (593,991)	$ 1,643,657	$ (557,537)	$ (7,821)

[1] Repurchase of common stock for the years ended December 31, 2023, 2022 and 2021 included 1,247,178, 4,151,117 and 267,309 shares repurchased, respectively, in connection with the Company's share buyback program approved by the Board of Directors, and 45,489, 113,039 and 31,188 shares withheld, respectively, to cover tax liabilities.