Employee Compensation and Benefit Plans - EHOP Program (Details)	12 Months Ended
	Dec. 31, 2021
Employee Benefits Disclosure [Line Items]
Term of ARM Loan in EHOP Program	30 years
EHOP Program, ARM, fixed rate term, option one	5 years
EHOP Program, ARM, fixed rate term, option two	7 years
EHOP Program, ARM, fixed rate term, option three	10 years
EHOP Program, fixed rate loan term, option one	15 years
EHOP Program, fixed rate loan term, option two	30 years
Maximum loan amount percentage of the lesser of purchase price or the appraised value	85.00%
Employee Home Ownership Plan | 12 month LIBOR
Employee Benefits Disclosure [Line Items]
Basis spread on EHOP loans	2.25%