XML 95 R52.htm IDEA: XBRL DOCUMENT v3.24.3
Summary of Significant Accounting Policies - Narrative (Details)
 12 Months Ended
Mar. 01, 2024
USD ($)
Feb. 08, 2021
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
classOfPortfolioSegment
portfolioSegment
branch
segment
payment
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Oct. 27, 2020
USD ($)
Oct. 09, 2013
USD ($)
Summary of Significant Accounting Policies [Line Items]              
Number of offices | branch     210        
Dividend rate   4.875%          
Proceeds from issuance of preferred stock, net   $ 293,325,000          
Cash collateral     $ 168,200,000 $ 326,750,000      
Fair value of NAV     36,317,000        
Remaining unfunded commitment     $ 3,280,000        
Days past grace period to initiate contact to cure deficiency     30 days        
Minimum days past due to begin foreclosure proceedings     90 days        
Number of portfolio segments for loans held for investment | portfolioSegment     2        
Number of classes disaggregating the commercial loan portfolio | classOfPortfolioSegment     5        
Number of classes disaggregating the consumer loan portfolio | classOfPortfolioSegment     5        
Minimum days past due to stop accrual of interest     90 days        
Number of payments required | payment     6        
Goodwill     $ 411,360,000 304,750,000 $ 303,457,000    
Intangible asset impairment     $ 0 $ 0 $ 0    
Weighted average remaining contractual term, exercisable     5 years        
Number of reportable business segments | segment     1        
Civil money penalty from consent order issued           $ 200,000 $ 34,000
Luther Burbank              
Summary of Significant Accounting Policies [Line Items]              
Goodwill $ 104,707,000            
Intangible assets $ 37,022,000            
Acquired intangible assets, useful life 6 years            
Minimum              
Summary of Significant Accounting Policies [Line Items]              
Award vesting period (in years)     3 years        
Minimum | Stock Options and Restricted Stock              
Summary of Significant Accounting Policies [Line Items]              
Award vesting period (in years)     2 years        
Maximum              
Summary of Significant Accounting Policies [Line Items]              
Award vesting period (in years)     5 years        
Weighted average remaining contractual term, exercisable     10 years        
Maximum | Stock Options and Restricted Stock              
Summary of Significant Accounting Policies [Line Items]              
Award vesting period (in years)     5 years        
Public Offering              
Summary of Significant Accounting Policies [Line Items]              
Number of shares issued in transaction (in shares) | shares   12,000,000          
Percentage of preferred stock   2.50%          
Public offering price (in dollars per share) | $ / shares   $ 25.00          
Series A Preferred Stock | Public Offering              
Summary of Significant Accounting Policies [Line Items]              
Number of shares issued in transaction (in shares) | shares   300,000