The Idaho Secretary of State website has detailed information on Idaho specific election topics: https://sos.idaho.gov/elections-division/
While we do not endorse the National Conference of State Legislatures, it nevertheless has a wealth of resources particularly around election integrity legislation. A list of topics with further links can be found here: https://www.ncsl.org/research/elections-and-campaigns/election-laws-and-procedures-overview.aspx
The Heritage Foundation has done considerable work on the topic of election integrity: https://www.heritage.org/election-integrity-facts
Tremendous compilation of information about the 2020 election as well as state by state efforts: https://electionfraud20.org/