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4) Loans Held For Sale: Schedule of Mortgage Fee Income for Loans Held for Sale (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Interest and Other Income | $ 1,588,550 | $ 1,848,092 | $ 2,705,004 | $ 3,582,619
Mortgage fee income | 31,709,080 | 41,514,401 | 57,169,240 | 80,489,161
LoansHeldForSaleMember |  |  |  |
Loan fees | 7,843,728 | 8,758,784 | 13,589,036 | 18,063,709
Secondary gains | 21,765,939 | 32,446,222 | 36,318,341 | 58,640,572
Change in fair value of loan commitments | 2,169 | (1,011,879) | 443,127 | 1,155,714
Change in fair value of loans held for sale | 810,755 |  | 4,766,844 |
Provision for loan loss reserve | (302,061) | (526,818) | (653,112) | (953,453)
Mortgage fee income | $ 31,709,080 | $ 41,514,401 | $ 57,169,240 | $ 80,489,161

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- Definition The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). + References No definition available. + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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