CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income:
Interest and fees on loans and leases	$ 918,381	$ 845,271	$ 582,754
Interest on mortgage-backed securities	102,024	107,555	106,606
Interest and dividends on investment securities:
Taxable	2,798	2,803	2,812
Tax-exempt	5,941	5,980	4,087
Other interest income	34,438	14,913	7,556
Total interest income	1,063,582	976,522	703,815
Interest expense:
Interest on deposits	308,676	209,820	28,181
Interest on Federal Home Loan Bank advances	2,967	5,348	538
Interest on senior and subordinated debt	9,690	9,815	8,246
Interest on trust preferred borrowings	6,910	6,736	3,482
Interest on federal funds purchased	343	1,673	443
Interest on other borrowings	29,558	18,027	35
Total interest expense	358,144	251,419	40,925
Net interest income	705,438	725,103	662,890
Provision for credit losses	61,410	88,071	48,089
Net interest income after provision for (recovery of) credit losses	644,028	637,032	614,801
Noninterest income:
Loan and lease fee income	6,681	5,718	6,275
Unrealized gains on equity investments, net	0	329	5,980
Realized gain on sale of equity investment, net	2,309	9,493	0
Bank owned life insurance income	4,724	4,642	1,804
Total non interest income	340,920	289,871	260,134
Noninterest expense:
Salaries, benefits and other compensation	332,682	289,193	283,905
Occupancy expense	37,579	42,184	40,885
Equipment expense	47,744	42,242	40,994
Professional fees	20,164	21,200	18,497
Data processing and operations expenses	18,281	19,054	20,876
Marketing expense	7,824	7,914	7,230
FDIC expenses	12,166	15,887	6,098
Loan workout and other credit costs	2,123	852	702
Corporate development expense	473	3,931	42,749
Restructuring expense	2,193	(230)	22,473
Other operating expense	156,460	119,406	89,917
Total non interest expenses	637,689	561,633	574,326
Income before taxes	347,259	365,270	300,609
Income tax provision	83,764	96,245	77,961
Net income	263,495	269,025	222,648
Less: Net (loss) income attributable to noncontrolling interest	(176)	(131)	273
Net income attributable to WSFS	$ 263,671	$ 269,156	$ 222,375
Basic earnings per share (in dollars per share)	$ 4.43	$ 4.40	$ 3.50
Diluted earnings per share (in dollars per share)	$ 4.41	$ 4.40	$ 3.49
Credit/debit card and ATM income
Noninterest income:
Noninterest income	$ 88,710	$ 59,718	$ 40,088
Investment management and fiduciary revenue
Noninterest income:
Noninterest income	146,945	131,050	121,608
Deposit service charges
Noninterest income:
Noninterest income	26,664	25,393	24,484
Mortgage banking activities, net
Noninterest income:
Noninterest income	7,565	4,799	7,271
Other income
Noninterest income:
Noninterest income	$ 57,322	$ 48,729	$ 52,624