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Loan Servicing (Tables) | 12 Months Ended
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Dec. 31, 2019
Loan Servicing [Abstract] |
Schedule of Principal Balances of Mortgage and SBA Loans Serviced for Others | Mortgage and SBA loans serviced for others are not reported as assets. The principal balances as of December 31, 2019 and 2018 are as follows:
(dollars in thousands) |  | 2019 |  |  | 2018 |
Loans serviced for others: |  |  |  |  |  |  |  |
Mortgage loans |  | $ | 1,683,298 |  |  | $ | 1,586,499 |
SBA loans |  |  | 170,849 |  |  |  | 184,664 |
Commercial real estate loans |  |  | 4,216 |  |  |  | 2,838 |
Schedule of Activity for Servicing Assets | Activity for servicing assets follows:
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | Mortgage |  |  | SBA |  |  | Mortgage |  |  | SBA |  |  | Mortgage |  |  | SBA |
(dollars in thousands) |  | Loans |  |  | Loans |  |  | Loans |  |  | Loans |  |  | Loans |  |  | Loans |
Servicing assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  | $ | 12,858 |  |  | $ | 4,512 |  |  | $ | 1,540 |  |  | $ | 4,417 |  |  | $ | 1,002 |  |  | $ | 2,702 |
Acquisitions |  |  | — |  |  |  | — |  |  |  | 10,651 |  |  |  | — |  |  |  | — |  |  |  | — |
Additions |  |  | 2,088 |  |  |  | 980 |  |  |  | 1,562 |  |  |  | 1,932 |  |  |  | 1,115 |  |  |  | 2,628 |
Disposals |  |  | (128 | ) |  |  | (708 | ) |  |  | (197 | ) |  |  | (1,177 | ) |  |  | (172 | ) |  |  | (367 | )
Amortized to expense |  |  | (1,821 | ) |  |  | (698 | ) |  |  | (698 | ) |  |  | (660 | ) |  |  | (405 | ) |  |  | (546 | )
End of period |  | $ | 12,997 |  |  | $ | 4,086 |  |  | $ | 12,858 |  |  | $ | 4,512 |  |  | $ | 1,540 |  |  | $ | 4,417 |

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- Definition Loan servicing. + References No definition available. + Details
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- Definition Mortgage and Small Business Administration loans serviced for others. + References No definition available. + Details
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- Definition Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746 + Details
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