LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	$ 7,348,531	$ 6,828,753
30 - 59 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	19,997	3,082
60 - 89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	600	200
Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	66,970	86,884
Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	87,567	90,166
Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	7,260,964	6,738,587
Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	5,764,905	5,201,489
Construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	244,244	261,804
Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	414,331	397,010
One-to-four-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	84,332	86,449
One-to-four-family \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	2,401
One-to-four-family \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	81,931	83,999
Real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	6,507,812	5,946,752
Real estate \| Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	5,764,905	5,201,489
Real estate \| Commercial \| 30 - 59 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	10,707
Real estate \| Commercial \| Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	30,213	32,809
Real estate \| Commercial \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	40,920	32,809
Real estate \| Commercial \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	5,723,985	5,168,680
Real estate \| Construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	244,244	261,804
Real estate \| Construction \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	244,244	261,804
Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	414,331	397,010
Real estate \| Multi-family \| 30 - 59 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	8,846	1,755
Real estate \| Multi-family \| Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	23,094	42,599
Real estate \| Multi-family \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	31,940	44,354
Real estate \| Multi-family \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	382,391	352,656
Real estate \| One-to-four-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	84,332	86,449
Real estate \| One-to-four-family \| 30 - 59 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	444	1,246
Real estate \| One-to-four-family \| Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	2,401	2,450
Real estate \| One-to-four-family \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	2,845	3,696
Real estate \| One-to-four-family \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	81,487	82,753
Commercial and industrial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	831,436	871,652
Commercial and industrial \| 60 - 89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	600	200
Commercial and industrial \| Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	11,262	8,989
Commercial and industrial \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	11,862	9,189
Commercial and industrial \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	819,574	862,463
Consumer
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	9,283	10,349
Consumer \| 30 - 59 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans		81
Consumer \| Non-accrual or 90 Days and Greater
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans		37
Consumer \| Total Past Due or Non-accrual
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans		118
Consumer \| Current Loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	$ 9,283	$ 10,231