XML 85 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1
Funds Borrowed - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Aug. 03, 2018
Dec. 31, 2007
Jun. 30, 2018
Apr. 30, 2016
Jun. 30, 2007
Jun. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Jul. 01, 2018
Dec. 31, 2008
Debt Instrument [Line Items]                    
Federal funds, rate of interest [1]     2.59%     2.59% 2.59%      
Preferred Securities [Member]                    
Debt Instrument [Line Items]                    
Sale of preferred securities         $ 35,000,000          
Issue of common stock         1,083          
Maturity date             Sep. 30, 2037      
Preferred securities outstanding     $ 33,000,000     $ 33,000,000 $ 33,000,000      
Preferred Securities [Member] | LIBOR Rate [Member]                    
Debt Instrument [Line Items]                    
Basis spread on variable rate             2.13%      
Preferred Securities [Member] | 90 day LIBOR [Member]                    
Debt Instrument [Line Items]                    
Basis spread on variable rate             2.34%      
DZ Loan [Member]                    
Debt Instrument [Line Items]                    
Federal funds, rate of interest [1]     3.75%     3.75% 3.75%      
Small Business Administration Debentures and Borrowings [Member]                    
Debt Instrument [Line Items]                    
Debt instrument remaining amount     $ 29,597,000     $ 29,597,000 $ 29,597,000      
Debt Instrument interest rate, stated percentage     3.25%     3.25% 3.25%      
Loan commitment term             4 years 6 months      
Commitment fee percentage             1.00%      
Principal amount of loan               $ 34,024,756    
Debt instrument commitments amount fully utilized     $ 169,985,000     $ 169,985,000 $ 169,985,000      
Debt instrument commitments available     5,500,000     5,500,000 5,500,000      
Debt instrument outstanding amount     $ 78,097,000     $ 78,097,000 $ 78,097,000      
Federal funds, rate of interest [1]     3.39%     3.39% 3.39%      
FSVC's [Member]                    
Debt Instrument [Line Items]                    
Principal amount of loan               $ 33,485,000    
Unsecured Debt [Member] | Preferred Securities [Member]                    
Debt Instrument [Line Items]                    
Aggregate principal amount of unsecured junior subordinated notes         $ 36,083,000          
Third Party Investors [Member] | Preferred Securities [Member]                    
Debt Instrument [Line Items]                    
Preferred securities repurchased from a third party investor   $ 2,000,000                
Richard Petty [Member]                    
Debt Instrument [Line Items]                    
Maturity date               Mar. 31, 2020    
Loan amount               $ 7,007,894    
Annual interest rate               2.00%    
Outstanding loan amount     $ 7,078,000     $ 7,078,000 $ 7,078,000      
Travis Burt [Member]                    
Debt Instrument [Line Items]                    
Short term promissory note     500,000     500,000 500,000      
Commercial Paper [Member] | DZ Loan [Member] | Taxi Medallion Loan Trust III [Member]                    
Debt Instrument [Line Items]                    
Line of credit facility maximum borrowing capacity                   $ 200,000,000
Line of credit facility current borrowing capacity     150,000,000     150,000,000 150,000,000      
Debt instrument remaining amount     $ 96,925,000     $ 96,925,000 $ 96,925,000      
Commercial Paper [Member] | DZ Loan [Member] | Taxi Medallion Loan Trust III [Member] | LIBOR Rate [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument interest rate, stated percentage     2.09%     2.09% 2.09%      
Basis spread on variable rate             1.65%      
Description of variable rate basis             LIBOR (30 day LIBOR was 2.09% at June 30, 2018) plus 1.65%      
Retail Notes [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument interest rate, stated percentage       9.00%            
Aggregate principal amount       $ 33,625,000            
Net proceeds from offering       $ 31,786,000            
Maturity date       2021            
Minimum [Member] | Paid on or Before February 1, 2018 [Member] | Small Business Administration Debentures and Borrowings [Member]                    
Debt Instrument [Line Items]                    
Debt instrument minimum annual payment             $ 5,000,000      
Minimum [Member] | Paid on or Before February 1, 2019 [Member] | Small Business Administration Debentures and Borrowings [Member]                    
Debt Instrument [Line Items]                    
Debt instrument minimum annual payment             $ 10,000,000      
Bank Holding Company Accounting [Member]                    
Debt Instrument [Line Items]                    
Issue of common stock     27,390,066     27,390,066 27,390,066      
Short term promissory note     $ 179,692,000     $ 179,692,000 $ 179,692,000      
Federal funds value     $ 8,000,000     $ 8,000,000        
Bank Holding Company Accounting [Member] | Federal Funds Purchased [Member]                    
Debt Instrument [Line Items]                    
Federal funds, rate of interest     0.40%     0.40% 0.40%      
Subsequent Event [Member]                    
Debt Instrument [Line Items]                    
Maturity date Nov. 30, 2018                  
Subsequent Event [Member] | Commercial Paper [Member] | DZ Loan [Member] | Taxi Medallion Loan Trust III [Member]                    
Debt Instrument [Line Items]                    
Line of credit facility current borrowing capacity                 $ 125,000,000  
Brokerage [Member] | Maximum [Member]                    
Debt Instrument [Line Items]                    
Average brokerage fee percentage in relation to the maturity of deposits             0.15%      
[1] Weighted average contractual rate as of June 30, 2018.