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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loans and Leases Individually Evaluated for Impairment by Class of Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Unpaid Principal Balance |  |  |  |  |
Total | $ 51,923 |  | $ 51,923 |  | $ 27,027
Recorded Investment |  |  |  |  |
Total | 51,720 |  | 51,720 |  | 26,945
Allowance for Loan and Lease Losses | 7,493 |  | 7,493 |  | 829
Average Recorded Investment | 52,514 | $ 28,315 | 44,518 | $ 27,358 |
Interest Income Recognized | 106 | 63 | 492 | 188 |
Cash Basis Interest Recognized | 93 | 54 | 458 | 159 |
Commercial | Commercial and industrial |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 1,749 |  | 1,749 |  | 5,491
With an allowance recorded | 20,310 |  | 20,310 |  | 0
Recorded Investment |  |  |  |  |
With no related allowance recorded | 1,738 |  | 1,738 |  | 5,455
With an allowance recorded | 20,304 |  | 20,304 |  | 0
Allowance for Loan and Lease Losses | 4,614 |  | 4,614 |  | 0
Average Recorded Investment | 22,619 | 5,423 | 16,154 | 5,552 |
Interest Income Recognized | 40 | 0 | 295 | 4 |
Cash Basis Interest Recognized | 32 | 0 | 286 | 4 |
Commercial | Commercial real estate |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 0 |  | 0 |  | 0
Recorded Investment |  |  |  |  |
With no related allowance recorded | 0 |  | 0 |  | 0
Average Recorded Investment | 0 |  | 193 |  |
Interest Income Recognized | 0 |  | 0 |  |
Cash Basis Interest Recognized | 0 |  | 0 |  |
Commercial | SBA |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 1,387 |  | 1,387 |  | 1,668
With an allowance recorded | 4,572 |  | 4,572 |  | 823
Recorded Investment |  |  |  |  |
With no related allowance recorded | 1,321 |  | 1,321 |  | 1,588
With an allowance recorded | 4,375 |  | 4,375 |  | 788
Allowance for Loan and Lease Losses | 2,858 |  | 2,858 |  | 562
Average Recorded Investment | 5,843 | 1,240 | 4,328 | 756 |
Interest Income Recognized | 4 | 0 | 12 | 0 |
Cash Basis Interest Recognized | 4 | 0 | 12 | 0 |
Commercial | Construction |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 2,519 |  | 2,519 |  | 0
Recorded Investment |  |  |  |  |
With no related allowance recorded | 2,519 |  | 2,519 |  | 0
Average Recorded Investment | 2,519 |  | 2,519 |  |
Interest Income Recognized | 0 |  | 0 |  |
Cash Basis Interest Recognized | 0 |  | 0 |  |
Consumer | Single family residential mortgage |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 20,544 |  | 20,544 |  | 12,115
With an allowance recorded | 0 |  | 0 |  | 5,993
Recorded Investment |  |  |  |  |
With no related allowance recorded | 20,641 |  | 20,641 |  | 12,161
With an allowance recorded | 0 |  | 0 |  | 6,032
Allowance for Loan and Lease Losses | 0 |  | 0 |  | 161
Average Recorded Investment | 20,706 | 20,908 | 20,374 | 20,299 |
Interest Income Recognized | 59 | 60 | 175 | 175 |
Cash Basis Interest Recognized | 53 | 50 | 150 | 146 |
Consumer | Other consumer |  |  |  |  |
Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded | 821 |  | 821 |  | 469
With an allowance recorded | 21 |  | 21 |  | 468
Recorded Investment |  |  |  |  |
With no related allowance recorded | 801 |  | 801 |  | 469
With an allowance recorded | 21 |  | 21 |  | 452
Allowance for Loan and Lease Losses | 21 |  | 21 |  | $ 106
Average Recorded Investment | 827 | 744 | 950 | 751 |
Interest Income Recognized | 3 | 3 | 10 | 9 |
Cash Basis Interest Recognized | $ 4 | $ 4 | $ 10 | $ 9 |

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