Business Combination - Assets Acquired and Liabilities Assumed in Acquisition (Details) - USD ($) $ in Thousands	Apr. 01, 2022	Jun. 30, 2023	Dec. 31, 2022
Assets acquired:
Goodwill		$ 1,868,936	$ 1,868,936
Bank Leumi USA
Assets acquired:
Cash and cash equivalents	$ 443,588
Equity securities	6,239
Available for sale debt securities	505,928
Held to maturity debt securities	806,627
Loans	5,914,389
Allowance for loan losses	(70,319)
Loans, net	5,844,070
Premises and equipment	38,827
Lease right of use assets	49,273
Bank owned life insurance	126,861
Accrued interest receivable	25,717
Goodwill	400,582
Other intangible assets	153,380
Other assets	160,921
Total assets acquired	8,562,013
Deposits:
Non-interest bearing	4,511,537
Interest bearing:
Savings, NOW and money market	2,224,834
Time	293,626
Total deposits	7,029,997
Short-term borrowings	103,794
Lease liabilities	79,683
Accrued expense and other liabilities	117,269
Total liabilities assumed	7,330,743
Common stock issued in acquisition	1,117,829
Cash paid in acquisition	$ 113,441