Annual report pursuant to Section 13 and 15(d)

Loans Receivable - Information on SBA Loans Held for Sale (Detail)

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Loans Receivable - Information on SBA Loans Held for Sale (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]      
Balance at beginning of period $ 8,568 $ 6,020  
Originations and transfers 265,743 71,692 $ 76,765
Sales (261,853) (69,052)  
Principal paydowns and amortization 884 (92)  
Balance at end of period 13,342 8,568 6,020
Real Estate      
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]      
Balance at beginning of period 8,042 2,943  
Originations and transfers 87,775 44,770  
Sales (88,858) (39,666)  
Principal paydowns and amortization (5) (5)  
Balance at end of period 6,954 8,042 2,943
Commercial and Industrial      
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]      
Balance at beginning of period 526 3,077  
Originations and transfers 177,968 26,922  
Sales (172,995) (29,386)  
Principal paydowns and amortization 889 (87)  
Balance at end of period $ 6,388 $ 526 $ 3,077