I just gave away $16K

[Bluetree]

Two months ago, I received my CC statement and to my surprise, discovered that the bank had erroneously posted a payment of $16,500 to my account! I figured it was just a misprint, and it would be corrected by my next statement. I sent in my "true" payment and forgot about it.

Last month, when I checked my statement, the $16,500 credit was still there. I called the bank, was put on hold forever and finally just left a message about the error.

Well, when I got my next statement, the credit was still there!
Now, I would love it if the bank wiped out my real credit balance (it was about $2,000) but I'm no thief and I can't just accept $16k without losing sleep over it.

So I finally got someone on the phone (after being on hold for 20 minutes) and explained the situation. The gal looked over my account and said she couldn't find anything wrong with it. No red flags, all appeared legit. So she transfered me to a supervisor (another 10 minute wait) who took a look at my account. The supervisor simply said, "Okay, thank you. We'll remove it from your account. Can I help you with anything else?"

Jeez, I don't expect a medal or anything, but now I feel like a dope for trying to do the right thing. One of my cycling buddies said I should have just taken the money, since the bank was the one who made the mistake. My mom said I did the right thing. I'm very torn. Honestly, what would you have done?