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Secondary Market Mortgage Activities
 12 Months Ended
Dec. 31, 2021
Mortgage Banking [Abstract]  
Secondary Market Mortgage Activities Secondary Market Mortgage Activities
Total loans serviced for others were $264.2 million and $224.3 million for the years ended December 31, 2021 and 2020, respectively.

The following summarizes secondary market mortgage activities for the years ended December 31, 2021, 2020, and 2019: 
December 31, 2021December 31, 2020December 31, 2019
Loans originated for resale$95,411 $87,528 $43,458 
Proceeds from sales of loans held for sale97,179 82,619 43,198 
Net gains on sales of loans held for sale2,737 2,961 990 
Loan servicing fees720 726 634 

The following summarizes activity for capitalized mortgage servicing rights for the years ended December 31, 2021, 2020, and 2019: 
December 31, 2021December 31, 2020December 31, 2019
Balance, beginning of year$1,527 $1,573 $1,495 
Additions514 540 292 
Servicing rights acquired0 0 0 
Amortization(377)(586)(214)
Balance, end of year$1,664 $1,527 $1,573 

The fair value of mortgage servicing rights is based on market prices for comparable mortgage servicing contracts, when available, or alternatively based on a valuation model that calculates the present value of estimated future net servicing income. The fair value of mortgage servicing rights was not materially different than amortized cost at December 31, 2021 and 2020, respectively. No valuation allowance was deemed necessary at December 31, 2021, 2020, and 2019. The fair value of interest rate lock commitments and forward commitments to sell loans was not material at December 31, 2021 or 2020.