EMPLOYEE BENEFIT PLAN	12 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]
EMPLOYEE BENEFIT PLAN	21. EMPLOYEE BENEFIT PLAN Full time PRC employees of the Group are eligible to participate in a government‑mandated multi‑employer defined contribution plan under which certain pension benefits, medical care, unemployment insurance and employee housing fund are provided to these employees. The PRC labor regulations require the Group to accrue for these benefits based on a percentage of each employee’s salary income. Total provisions for employee benefits were US$4,323,814, US$11,121,724 and US$12,607,769 for the years ended December 31, 2020, 2021 and 2022, respectively, reported as a component of salary and compensation expenses when incurred.

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI https://asc.fasb.org/topic&trid=2228938

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 712
-URI https://asc.fasb.org/topic&trid=2197446

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-URI https://asc.fasb.org/topic&trid=2127225

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI https://asc.fasb.org/topic&trid=2235017

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