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Amount of unamortized loan commitment, origination, and other fees (costs) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Loans Receivable, Net - Components of Loans Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	$ 8,622,870	$ 7,756,106
Deferred origination costs, net of fees	9,332	9,486
Allowance for loan credit losses	(48,850)	(60,735)	$ (16,852)
Total loans receivable, net	8,583,352	7,704,857
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	5,882,350	5,107,185
Commercial \| Commercial real estate – owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	449,224	470,656
Commercial \| Commercial real estate – owner occupied \| Paycheck Protection Program
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	22,900	95,400
Commercial \| Commercial real estate – owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	1,055,065	1,145,065
Commercial \| Commercial real estate - investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	4,378,061	3,491,464
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	2,740,520	2,648,921
Allowance for loan credit losses	(1,268)	(1,770)	$ (591)
Consumer \| Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	2,479,701	2,309,459
Consumer \| Home equity loans and lines and other consumer (“other consumer”)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans receivable	$ 260,819	$ 339,462