FAIR VALUE MEASUREMENTS - Schedule of Fair Value of Derivative Instruments and Loans Held for Sale (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Derivative notional amount and balance sheet location
Estimated Gain on Sale	$ 25,559	$ 24,591
Total Fair Value Adjustment	25,559	24,591
Derivative assets	$ 26,714	$ 30,175
Derivative Asset, Statement of Financial Position	Other assets	Other assets
Derivative Liabilities	$ (15,079)	$ (915)
Derivative Liability, Statement of Financial Position	Other liabilities	Other liabilities
Fair Value Adjustment	$ 13,924	$ (4,669)
Undesignated derivatives
Derivative notional amount and balance sheet location
Estimated Gain on Sale	25,559
Total Fair Value Adjustment	25,559
Derivative assets	26,714
Derivative Liabilities	(11,156)
Fair Value Adjustment	10,001
Designated derivatives
Derivative notional amount and balance sheet location
Derivative Liabilities	(3,923)
Fair Value Adjustment	3,923
Interest Rate Swaps | Designated derivatives
Derivative notional amount and balance sheet location
Notional Amount	400,000
Interest Rate Movement	(3,923)
Total Fair Value Adjustment	(3,923)
Derivative Liabilities	(3,923)
Rate Lock Commitments
Derivative notional amount and balance sheet location
Notional Amount		472,905
Estimated Gain on Sale		19,968
Interest Rate Movement		(5,338)
Total Fair Value Adjustment		14,630
Derivative assets		14,930
Derivative Liabilities		(300)
Rate Lock Commitments | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	656,776
Estimated Gain on Sale	21,200
Interest Rate Movement	3,896
Total Fair Value Adjustment	25,096
Derivative assets	25,096
Forward Sale Contracts
Derivative notional amount and balance sheet location
Notional Amount		1,258,323
Interest Rate Movement		14,630
Total Fair Value Adjustment		14,630
Derivative assets		15,245
Derivative Liabilities		(615)
Forward Sale Contracts | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	1,593,147
Interest Rate Movement	(9,538)
Total Fair Value Adjustment	(9,538)
Derivative assets	1,618
Derivative Liabilities	(11,156)
Loans Held for Sale
Derivative notional amount and balance sheet location
Notional Amount		785,418
Estimated Gain on Sale		4,623
Interest Rate Movement		(9,292)
Total Fair Value Adjustment		(4,669)
Fair Value Adjustment		$ (4,669)
Loans Held for Sale | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	936,371
Estimated Gain on Sale	4,359
Interest Rate Movement	5,642
Total Fair Value Adjustment	10,001
Fair Value Adjustment	10,001
Senior Notes | Designated derivatives
Derivative notional amount and balance sheet location
Notional Amount	400,000
Interest Rate Movement	3,923
Total Fair Value Adjustment	3,923
Fair Value Adjustment	$ 3,923