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Federal Home Loan Bank and Federal Reserve Bank Stock
3 Months Ended
Mar. 31, 2020
Federal Home Loan Banks [Abstract]  
Federal Home Loan Bank and Federal Reserve Bank Stocks Federal Home Loan Bank and Federal Reserve Bank Stocks

Federal Home Loan Bank ("FHLB") and Federal Reserve Bank ("FRB") stocks were as follows:
(In thousands)
At March 31, 2020
 
At December 31, 2019
FHLB stock, at cost
$
360,473

 
$
318,473

FRB stock, at cost
123,988

 
123,967

Total investments
$
484,461

 
$
442,440



The investments in FHLB stock are required investments related to the Corporation's membership and borrowings in the FHLB of Des Moines, and additional commitments from the FHLB of Indianapolis and Cincinnati. The Corporation's investments in the FHLB of Des Moines, Indianapolis and Cincinnati could be adversely impacted by the financial operations of the Federal Home Loan Banks and actions of their regulator, the Federal Housing Finance Agency. The amount of FRB stock that TCF Bank is required to hold is based on TCF Bank's capital structure. The Corporation periodically evaluates investments for impairment. There was no impairment of these investments at March 31, 2020 and December 31, 2019.