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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Property, Plant and Equipment
Property and equipment is carried at cost, less accumulated depreciation and amortization. Depreciation and amortization is computed on a straight-line basis over the estimated useful lives of the assets, as illustrated in the following table. If shorter, leasehold improvements are amortized over the terms of the respective leases.
MinimumMaximum
Building and Improvements5-40years
Leasehold improvements5-20years
Fixtures and equipment5-10years
Data processing and software3-7years
The following table summarizes the components of premises and equipment:
  
At December 31,
(In thousands)20212020
Land$9,436 $9,436 
Buildings and improvements67,501 70,195 
Leasehold improvements65,606 71,332 
Fixtures and equipment64,890 73,730 
Data processing and software105,516 270,780 
Property and equipment312,949 495,473 
Less: Accumulated depreciation and amortization(228,318)(396,211)
Property and equipment, net84,631 99,262 
ROU lease assets, net119,926 127,481 
Premises and equipment, net$204,557 $226,743