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Loans Receivable - The Bancorp's individually evaluated impaired loans (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | $ 2,441 |  | $ 1,550
Unpaid Principal Balance | 3,919 |  | 3,789
Related Allowance | 22 |  | 22
Average Recorded Investment | 1,972 | $ 1,222 |
Interest Income Recognized | 33 | 26 |
Home Equity Loan [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 439 |  | 264
Unpaid Principal Balance | 462 |  | 271
Related Allowance | 11 |  | 9
Average Recorded Investment | 403 | 65 |
Interest Income Recognized | 4 |  |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 2,136 |  | 2,105
Unpaid Principal Balance | 2,735 |  | 2,703
Related Allowance | 196 |  | 210
Average Recorded Investment | 2,133 | 721 |
Interest Income Recognized | 33 | 16 |
Construction and land development [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  | 89 |
Commercial business |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 2,905 |  | 1,863
Unpaid Principal Balance | 3,035 |  | 2,102
Related Allowance | 334 |  | 5
Average Recorded Investment | 2,112 | 443 |
Interest Income Recognized | 43 | 8 |
Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 701 |  |
Unpaid Principal Balance | 783 |  |
Average Recorded Investment | 472 |  |
Interest Income Recognized | 3 |  |
Impaired Loans With No Related Allowance [Member] | Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 2,284 |  | 1,389
Unpaid Principal Balance | 3,762 |  | 3,628
Average Recorded Investment | 1,813 | 1,108 |
Interest Income Recognized | 31 | 16 |
Impaired Loans With No Related Allowance [Member] | Home Equity Loan [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 375 |  | 207
Unpaid Principal Balance | 398 |  | 214
Average Recorded Investment | 344 | 45 |
Interest Income Recognized | 3 |  |
Impaired Loans With No Related Allowance [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,665 |  | 1,624
Unpaid Principal Balance | 2,264 |  | 2,222
Average Recorded Investment | 1,655 | 561 |
Interest Income Recognized | 33 |  |
Impaired Loans With No Related Allowance [Member] | Construction and land development [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  | 89 |
Impaired Loans With No Related Allowance [Member] | Commercial business |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 2,565 |  | 1,799
Unpaid Principal Balance | 2,695 |  | 2,038
Average Recorded Investment | 1,967 | 257 |
Interest Income Recognized | 43 |  |
Impaired Loans With No Related Allowance [Member] | Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 701 |  |
Unpaid Principal Balance | 783 |  |
Average Recorded Investment | 472 |  |
Interest Income Recognized | 3 |  |
Impaired Loans With Related Allowance [Member] | Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 157 |  | 161
Unpaid Principal Balance | 157 |  | 161
Related Allowance | 22 |  | 22
Average Recorded Investment | 159 | 114 |
Interest Income Recognized | 2 | 10 |
Impaired Loans With Related Allowance [Member] | Home Equity Loan [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 64 |  | 57
Unpaid Principal Balance | 64 |  | 57
Related Allowance | 11 |  | 9
Average Recorded Investment | 59 | 20 |
Interest Income Recognized | 1 |  |
Impaired Loans With Related Allowance [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 471 |  | 481
Unpaid Principal Balance | 471 |  | 481
Related Allowance | 196 |  | 210
Average Recorded Investment | 478 | 160 |
Interest Income Recognized |  | 16 |
Impaired Loans With Related Allowance [Member] | Commercial business |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 340 |  | 64
Unpaid Principal Balance | 340 |  | 64
Related Allowance | 334 |  | $ 5
Average Recorded Investment | $ 145 | 186 |
Interest Income Recognized |  | $ 8 |

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