CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Debt Securities, Available-for-sale, Amortized Cost	$ 3,653,160	$ 2,256,189
Allowance for Credit Losses	(433)	(94)
Debt Securities, Held-to-maturity, Fair Value	541,853	448,681
Loans Held-for-sale, Fair Value	$ 39,775	$ 133,554
SHAREHOLDERS’ EQUITY
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	500,000	500,000
Preferred Stock, Shares Outstanding	0	0
Voting Common Stock [Member]
SHAREHOLDERS’ EQUITY
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	34,252,632	35,159,200
Common Stock, Shares, Outstanding	34,252,632	35,159,200
Nonvoting Common Stock [Member]
SHAREHOLDERS’ EQUITY
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	5,000,000	5,000,000
Common Stock, Shares, Issued	0	0
Common Stock, Shares, Outstanding	0	0