CONDENSED HOLDING COMPANY ONLY FINANCIAL STATEMENTS - CONDENSED STATEMENTS OF FINANCIAL CONDITION (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
ASSETS:
Cash and due from banks	$ 1,283,571	$ 457,547
Securities available-for-sale, at fair value	690,693	886,240
Other assets	162,857	100,013
Total assets	14,353,258	13,636,005
LIABILITIES AND STOCKHOLDERS' EQUITY:
Subordinated debt, net	272,325	200,196
Other liabilities	70,515	81,110
Stockholders' equity	1,396,517	1,226,225	$ 1,169,583	$ 1,192,620
Total liabilities and stockholders' equity	14,353,258	13,636,005
Parent Company
ASSETS:
Cash and due from banks	95,528	35,114
Securities available-for-sale, at fair value	2,850	2,693
Investment in subsidiaries	1,578,643	1,395,526
Other assets	6,180	4,401
Total assets	1,683,201	1,437,734
LIABILITIES AND STOCKHOLDERS' EQUITY:
Subordinated debt, net	272,325	200,196
Other liabilities	14,359	11,313
Stockholders' equity	1,396,517	1,226,225
Total liabilities and stockholders' equity	$ 1,683,201	$ 1,437,734