SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Mortgage Banking Activities
Co-broker fees	$ 4.4	$ 3.6	$ 10.3	$ 8.9

The amount of expense during the period for co-broker fees paid for obtaining loans.

No definition available.