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Fair Value Measurements (Assumptions for Mortgage Servicing Rights) (Details) $ in Thousands | Dec. 30, 2017 USD ($) Loans | Apr. 01, 2017 USD ($) Loans
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Fair Value Disclosures [Abstract] |  |
Number of loans serviced with MSRs | Loans | 4,274 | 4,041
Weighted average servicing fee (basis points) | 0.32% | 0.3142%
Capitalized servicing multiple | 80.81% | 74.79%
Capitalized servicing rate (basis points) | 0.2586% | 0.235%
Serviced portfolio with MSRs | $ 507,530 | $ 472,492
Mortgage servicing rights | $ 1,312 | $ 1,110

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- Definition This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82924980&loc=d3e107314-111719 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
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