Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest income:
Interest and fees on loans and leases	$ 393,248	$ 460,394	$ 463,220
Interest on mortgage-backed securities	55,802	48,377	48,954
Interest and dividends on investment securities:
Taxable	2,805	1,191	131
Tax-exempt	2,719	3,428	3,884
Other interest income	1,795	1,015	4,903
Total interest income	456,369	514,405	521,092
Interest expense:
Interest on deposits	14,923	39,262	60,075
Interest on Federal Home Loan Bank advances	5	1,950	5,520
Interest on senior debt	6,497	4,998	4,717
Interest on trust preferred borrowings	1,274	1,751	2,772
Interest on federal funds purchased	0	471	2,971
Interest on other borrowings	21	18	89
Total interest expense	22,720	48,450	76,144
Net interest income	433,649	465,955	444,948
(Recovery of) provision for credit losses	(117,087)	153,180	25,560
Net interest income after provision for credit losses	550,736	312,775	419,388
Noninterest income:
Loan and lease fee income	7,533	4,518	3,577
Security gains, net	331	9,076	333
Unrealized gains on equity investments, net	5,141	761	26,175
Realized (loss) gain on sale of equity investment, net	(706)	22,052	0
Bank owned life insurance income	1,251	1,280	1,247
Total non interest income	185,480	201,025	188,109
Noninterest expense:
Salaries, benefits and other compensation	214,167	194,317	182,564
Occupancy expense	32,802	32,105	33,068
Equipment expense	29,040	23,793	20,879
Professional fees	15,614	18,757	11,167
Data processing and operations expenses	14,074	12,600	13,373
Marketing expense	5,413	5,677	6,714
FDIC expenses	4,081	2,148	1,483
Loan workout and other credit costs	663	6,899	3,616
Corporate development expense	11,676	4,328	55,697
Restructuring expense	1,346	510	16,133
Recovery of legal settlement	(15,000)	0	0
Recovery of fraud loss	0	0	(463)
Loss on early extinguishment of debt	1,087	2,280	0
Other operating expense	63,553	65,430	68,896
Total non interest expenses	378,516	368,844	413,127
Income before taxes	357,700	144,956	194,370
Income tax provision	86,095	31,636	46,452
Net income	271,605	113,320	147,918
Less: Net income (loss) attributable to noncontrolling interest	163	(1,454)	(891)
Net income attributable to WSFS	$ 271,442	$ 114,774	$ 148,809
Basic earnings per share (in dollars per share)	$ 5.71	$ 2.27	$ 3.02
Diluted earnings per share (in dollars per share)	$ 5.69	$ 2.27	$ 3.00
Credit/debit card and ATM income
Noninterest income:
Noninterest income	$ 29,479	$ 35,014	$ 50,383
Investment management and fiduciary revenue
Noninterest income:
Noninterest income	62,348	48,979	42,450
Deposit service charges
Noninterest income:
Noninterest income	22,090	19,999	22,972
Mortgage banking activities, net
Noninterest income:
Noninterest income	23,216	30,201	11,053
Other income
Noninterest income:
Noninterest income	$ 34,797	$ 29,145	$ 29,919