SECURITIES - Scheduled Maturities of Securities AFS and the Related Weighted Average Yields (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	$ 6,377	$ 9,604
Amortized cost, one through five years	32,987	31,858
Amortized cost, five through ten years	167,006	195,613
Amortized cost, after ten years	56,254	961,487
Amortized cost, total	$ 262,624	$ 1,198,562
Weighted average yield, less than one year	1.97%	(2.28%)
Weighted average yield, one through five years	1.98%	2.06%
Weighted average yield, five through ten years	3.48%	3.03%
Weighted average yield, after ten years	2.00%	1.63%
Weighted average yield, total	2.94%	1.84%
Estimated fair value, less than one year	$ 6,341	$ 9,599
Estimated fair value, one through five years	31,901	32,000
Estimated fair value, five through ten years	159,681	198,427
Estimated fair value, after ten years	53,573	961,751
Estimated fair value, total	251,496	1,201,777
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	6,018	9,534
Amortized cost, one through five years	10,412	10,519
Amortized cost, five through ten years	125,671	128,438
Amortized cost, after ten years	5,534	5,536
Amortized cost, total	147,635	154,027
Estimated fair value, less than one year	5,985	9,529
Estimated fair value, one through five years	9,877	10,499
Estimated fair value, five through ten years	120,654	130,754
Estimated fair value, after ten years	4,983	5,594
Estimated fair value, total	141,499	156,376
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	897	499
Amortized cost, total	897	499
Estimated fair value, one through five years	837	490
Estimated fair value, total	837	490
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	4,120	4,990
Amortized cost, five through ten years	3,714	24,568
Amortized cost, after ten years	1,696	898,988
Amortized cost, total	9,530	928,546
Estimated fair value, one through five years	3,969	5,082
Estimated fair value, five through ten years	3,460	25,056
Estimated fair value, after ten years	1,571	898,851
Estimated fair value, total	9,000	928,989
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	304
Amortized cost, one through five years	5,176	1,625
Amortized cost, five through ten years	35,374	38,853
Amortized cost, after ten years	9,713	11,574
Amortized cost, total	50,567	52,052
Estimated fair value, less than one year	301
Estimated fair value, one through five years	4,839	1,704
Estimated fair value, five through ten years	33,370	38,865
Estimated fair value, after ten years	8,324	11,577
Estimated fair value, total	46,834	52,146
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	10,546	11,902
Amortized cost, after ten years	9,469	9,704
Amortized cost, total	20,015	21,606
Estimated fair value, one through five years	10,546	11,902
Estimated fair value, after ten years	9,670	10,077
Estimated fair value, total	20,216	21,979
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	55	70
Amortized cost, one through five years	1,836	1,613
Amortized cost, five through ten years	1,507	2,952
Amortized cost, after ten years	19,641	23,335
Amortized cost, total	23,039	27,970
Estimated fair value, less than one year	55	70
Estimated fair value, one through five years	1,833	1,613
Estimated fair value, five through ten years	1,510	2,953
Estimated fair value, after ten years	19,707	23,336
Estimated fair value, total	23,105	27,972
Collateralized mortgage obligations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years		710
Amortized cost, five through ten years	740	802
Amortized cost, after ten years	10,201	12,350
Amortized cost, total	10,941	13,862
Estimated fair value, one through five years		710
Estimated fair value, five through ten years	687	799
Estimated fair value, after ten years	9,318	12,316
Estimated fair value, total	$ 10,005	$ 13,825