how to put a running process into background and nohup and its stdout to a logfile

how to put a running process into background and nohup and its stdout to a
logfile

I have a process currently occupying a terminal
]$ command some_argument
I want to exit from the terminal and go home, but in the mean time I don't
want to kill this running process.
I want to achieve this something like the following with this running
process :
]$ nohup command some_argument >& logfile &