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Mortgage Servicing Rights (Tables) | 3 Months Ended
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Mar. 31, 2017
Transfers and Servicing [Abstract] |
Changes in the Company's MSRs | Changes in the Company’s MSRs were as follows:
Balance at January 1, 2017 | $ | 26,302 |
Capitalization | 3,276 |
Amortization | (802 | )
Balance at March 31, 2017 | $ | 28,776 |
Data and key economic assumptions related to the Company's MSRs | Data and key economic assumptions related to the Company’s MSRs as of March 31, 2017 and December 31, 2016 are as follows:
| March 31, 2017 |  | December 31, 2016
Unpaid principal balance | $ | 3,045,228 |  |  | $ | 2,763,344 |
Weighted-average prepayment speed (CPR) | 7.28 | % |  | 7.34 | %
Estimated impact of a 10% increase | $ | (1,147 | ) |  | $ | (1,034 | )
Estimated impact of a 20% increase | (2,234 | ) |  | (2,010 | )
Discount rate | 9.65 | % |  | 9.64 | %
Estimated impact of a 10% increase | $ | (1,620 | ) |  | $ | (1,368 | )
Estimated impact of a 20% increase | (3,110 | ) |  | (2,629 | )
Weighted-average coupon interest rate | 3.82 | % |  | 3.83 | %
Weighted-average servicing fee (basis points) | 25.89 |  |  | 25.87 |
Weighted-average remaining maturity (in years) | 12.49 |  |  | 11.11 |

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- Definition Schedule of fair value assumption related to mortgage servicing rights. + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
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- References No definition available. + Details
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