REGULATORY MATTERS (Tables)

12 Months Ended

Dec. 31, 2022

Banking and Thrift, Interest [Abstract]

Schedule of Company's and Bank's Actual Capital Amounts and Ratios

The Company’s and Bank’s actual capital amounts and ratios are presented in the following table.

	Actual				For Capital Adequacy Purposes				To Be Well Capitalized Under Prompt Corrective Action Provisions
(dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2022
Tier 1 Leverage Ratio (tier 1 capital to average assets):
Company	$	2,185,694	9.36	%	$	933,928	4.00	%			—N/A—
Bank	$	2,464,589	10.56	%	$	933,284	4.00	%	$	1,166,605	5.00	%
CET1 Ratio (common equity tier 1 capital to risk weighted assets):
Company	$	2,185,694	9.86	%	$	1,551,305	7.00	%			—N/A—
Bank	$	2,464,589	11.12	%	$	1,551,185	7.00	%	$	1,440,386	6.50	%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets):
Company	$	2,185,694	9.86	%	$	1,883,727	8.50	%			—N/A—
Bank	$	2,464,589	11.12	%	$	1,883,581	8.50	%	$	1,772,782	8.00	%
Total Capital Ratio (total capital to risk weighted assets):
Company	$	2,859,680	12.90	%	$	2,326,957	10.50	%			—N/A—
Bank	$	2,720,253	12.28	%	$	2,326,777	10.50	%	$	2,215,978	10.00	%
As of December 31, 2021
Tier 1 Leverage Ratio (tier 1 capital to average assets):
Company	$	1,897,725	8.63	%	$	879,079	4.00	%			—N/A—
Bank	$	2,084,465	9.50	%	$	877,891	4.00	%	$	1,097,364	5.00	%
CET1 Ratio (common equity tier 1 capital to risk weighted assets):
Company	$	1,897,725	10.46	%	$	1,270,535	7.00	%			—N/A—
Bank	$	2,084,465	11.50	%	$	1,268,622	7.00	%	$	1,178,007	6.50	%
Tier 1 Capital Ratio (tier 1 capital to risk weighted assets):
Company	$	1,897,725	10.46	%	$	1,542,792	8.50	%			—N/A—
Bank	$	2,084,465	11.50	%	$	1,540,470	8.50	%	$	1,449,854	8.00	%
Total Capital Ratio (total capital to risk weighted assets):
Company	$	2,500,287	13.78	%	$	1,905,802	10.50	%			—N/A—
Bank	$	2,255,699	12.45	%	$	1,902,934	10.50	%	$	1,812,318	10.00	%