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Note 11 - SF Intermediate Holding Company, Inc., SF Holding 1, Inc., SF TN Realty Holdings, Inc., SF Realty 1, Inc., SF FLA Realty, Inc., SF GA Realty, Inc. and SF TN Realty, Inc. | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Investments in Subsidiaries [Text Block] | NOTE 11. SF INTERMEDIATE HOLDING COMPANY, INC., SF HOLDING 1, INC., SF TN REALTY HOLDINGS, INC., SF REALTY 1, INC., SF FLA REALTY, INC., SF GA REALTY, INC. AND SF TN REALTY, INC. In January 2012, the Company formed SF Holding 1, Inc., an Alabama corporation, and its subsidiary, SF Realty 1, Inc., an Alabama corporation. In September 2013, the Company formed SF FLA Realty, Inc., an Alabama corporation and a subsidiary of SF Holding 1, Inc. In May 2014, the Company formed SF GA Realty, Inc., an Alabama corporation and a subsidiary of SF Holding 1, Inc. In February 2016, the Company formed SF TN Realty, Inc., an Alabama corporation and a subsidiary of SF Holding 1, Inc. Also in February 2016, the Company formed SF Intermediate Holding Company, Inc., an Alabama corporation. Immediately following the formation of SF Intermediate Holding Company, Inc., ServisFirst Bank assigned all of the outstanding capital stock of SF Holding 1, Inc. to SF Intermediate Holding Company, Inc., such that SF Holding 1, Inc. became a wholly-owned first tier subsidiary of SF Intermediate Holding Company, Inc. In November 2022, SF Intermediate Holding Company, Inc. formed SF TN Realty Holdings, Inc., a Delaware corporation. In December 2022, SF Holding 1, Inc. merged with and into SF TN Realty Holdings, Inc., with SF TN Realty Holdings, Inc, being the surviving entity. Following the merger, SF Realty 1, SF FLA Realty, SF GA Realty and SF TN Realty are all subsidiaries of SF TN Realty Holdings, Inc. SF Realty 1, SF FLA Realty, SF GA Realty and SF TN Realty all hold and manage participations in residential mortgages and commercial real estate loans originated by ServisFirst Bank and have elected to be treated as real estate investment trusts (“REIT”) for U.S. income tax purposes. SF Intermediate Holding Company, Inc., SF TN Realty Holdings, Inc., SF Realty 1, Inc., SF FLA Realty, Inc., SF GA Realty, Inc. and SF TN Realty, Inc. are all consolidated into the Company.

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