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Mortgage Loan Servicing (Tables) | 12 Months Ended
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Dec. 31, 2020
Mortgage Loan Servicing |
Schedule of Participating Mortgage Loans | Mortgage loans serviced for others are not reported as assets. The following table provides information on the principal balances of mortgage loans serviced for others: Schedule of Participating Mortgage Loans
(Dollars in thousands) |  | As of December 31, |
|  | 2020 |  |  | 2019 |
FHLMC |  | $ | 639,875 |  |  | $ | 509,101 |
FHLB |  |  | 28,157 |  |  |  | 40,462 |
Schedule of Servicing Asset at Amortized Cost | Activity for mortgage servicing rights and the related valuation allowance follows: Schedule of Servicing Asset at Amortized Cost
|  | 2020 |  |  | 2019 |
(Dollars in thousands) |  | As of December 31, |
|  | 2020 |  |  | 2019 |
Mortgage servicing rights: |  |  |  |  |  |
Balance at beginning of year |  | $ | 2,446 |  |  | $ | 2,495 |
Additions |  |  | 2,705 |  |  |  | 943 |
Amortization |  |  | (1,425 | ) |  |  | (992 | )
Balance at end of year |  | $ | 3,726 |  |  | $ | 2,446 |

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- Definition Tabular disclosure of the terms and amounts of participation in loan arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377297&loc=d3e10013-112621 + 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://www.xbrl.org/2009/role/commonPracticeRef -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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