v3.25.2
Related Party Transactions - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
boardSeat
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
boardSeat
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Related Party Transaction [Line Items]          
Deposits from related parties $ 254,877   $ 254,877   $ 282,963
Other income $ 2,540 $ 4,611 $ 3,888 $ 6,321  
Number of board seats, privately held entity | boardSeat 2   2    
Amortized cost $ 1,400,827   $ 1,400,827   1,679,397
Manufactured loan housing securities          
Related Party Transaction [Line Items]          
Mater loan purchase agreement, maximum capacity 250,000   $ 250,000    
Master loan purchase agreement, term     5 years    
Loans purchased 18,516 17,581 $ 28,010 26,806  
Amortized cost 112,307   112,307   86,890
Directors          
Related Party Transaction [Line Items]          
Operating lease expense 98 121 200 211  
Directors | FBK Aviation, LLC | Aviation Time Sharing Agreements          
Related Party Transaction [Line Items]          
Other income 6 $ 19 25 $ 43  
Unfunded Loan Commitment | Certain Executive Officers, Certain Management and Directors and Their Associates          
Related Party Transaction [Line Items]          
Unfunded commitments $ 29,906   $ 29,906   $ 14,510