XML 44 R38.htm IDEA: XBRL DOCUMENT v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
Segment
shares
Jun. 30, 2025
USD ($)
shares
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Summary Of Significant Accounting Policies [Line Items]                
Number of reportable segments | Segment     2          
Net increase to retained earnings $ 485,522,000   $ 485,522,000     $ 457,357,000    
Reduction to allowance for credit losses (69,167,000) $ (81,770,000) $ (69,167,000) $ (81,770,000) $ (67,026,000) (71,039,000) $ (75,150,000) $ (72,992,000)
Federal funds sales periods     1 day          
Interest-earning deposits maturities period     1 year          
Servicing rights     $ 0          
Amount of loans serviced 126,700,000   126,700,000     132,500,000    
SBA loans held for sale, with estimated fair value $ 2,176,000   $ 2,176,000     4,437,000    
Threshold period for loan     30 days          
Threshold for determining nonaccrual status 90 days   90 days          
Stock options granted | shares 0              
Unrecognized compensation cost $ 0   $ 0          
Issuance of shares for Employee Stock Purchase Plan, shares | shares 10,051 9,693 21,064 16,808        
Antidilutive securities | shares 66,000 186,691 51,050 71,791        
Estimated Fair Value [Member]                
Summary Of Significant Accounting Policies [Line Items]                
SBA loans held for sale, with estimated fair value $ 2,406,000   $ 2,406,000     4,819,000    
Phantom Plan                
Summary Of Significant Accounting Policies [Line Items]                
Stock options granted | shares     106,490          
2024 ESPP                
Summary Of Significant Accounting Policies [Line Items]                
Number of share purchase rights authorized | shares 150,000   150,000          
Restricted stock [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Shares granted | shares     98,934          
Compensation cost $ 1,500,000 $ 1,200,000 $ 2,000,000 $ 2,800,000        
Restricted stock [Member] | Tranche One [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Stock option vesting term     3 years          
Restricted stock [Member] | Tranche Two [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Stock option vesting term     5 years          
Performance Shares [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Shares granted | shares     133,354          
Performance Shares [Member] | 2025 Long-Term Stock Incentive Plan [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Shares granted | shares     133,354          
Market Based RSUs [Member] | 2025 Long-Term Stock Incentive Plan [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Shares granted | shares     66,000          
Restricted Stock Units [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Unrecognized compensation cost 11,800,000   $ 11,800,000          
Weighted average period over which unrecognized compensation is expected to be recognized (in years)     2 years 3 months 10 days          
Restricted Stock Units [Member] | 2025 Long-Term Stock Incentive Plan [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Shares granted | shares     98,934          
Employee Stock [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Compensation cost 54,000 56,000 $ 110,000 95,000        
Percentage of closing market price on purchase date     85.00%          
Phantom Units                
Summary Of Significant Accounting Policies [Line Items]                
Unrecognized compensation cost 13,100,000   $ 13,100,000          
Weighted average period over which unrecognized compensation is expected to be recognized (in years)     1 year 10 months 28 days          
Compensation cost 3,200,000 1,200,000 $ 6,000,000 2,900,000        
Consumer and Other [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Reduction to allowance for credit losses $ (3,688,000) $ (2,488,000) $ (3,688,000) $ (2,488,000) $ (3,490,000) $ (3,192,000) $ (2,574,000) $ (1,184,000)
Consumer and Other [Member] | Closed-end Loans [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Threshold for determining nonaccrual status 120 days   120 days          
Consumer and Other [Member] | Open-end Loans [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Threshold for determining nonaccrual status 180 days   180 days          
Maximum [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Cash equivalents original maturities period     90 days          
Short term borrowings original maturities period     90 days          
Vesting percentage     250.00%          
Finite-Lived Intangible Asset, Useful Life 15 years   15 years          
Maximum [Member] | Employee Stock Option [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Option term     10 years          
Maximum [Member] | Employee Stock [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of compensation contributable     15.00%          
Minimum [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Vesting percentage     0.00%          
Finite-Lived Intangible Asset, Useful Life 5 years   5 years          
Minimum [Member] | Employee Stock [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of compensation contributable     1.00%          
Peapack-Gladstone Mortgage Group, Inc. [Member] | Peapack Ventures, LLC [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of interest owned 99.00%   99.00%          
Peapack-Gladstone Mortgage Group, Inc. [Member] | Peapack-Gladstone Realty, Inc [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of interest owned 79.00%   79.00%          
PGB Trust & Investments of Delaware [Member] | Peapack Ventures, LLC [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of interest owned 1.00%   1.00%          
Peapack Ventures, LLC [Member] | Peapack-Gladstone Realty, Inc [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Percentage of interest owned 21.00%   21.00%