PS: The bonus rules are really good.
Yes, If I remember correct their bonus is like this:
You use your own money first, if you don't "have to" use the bonus funds you can cash out any time and the bonus money is removed from your winnings and you have no WR at all. I think it was like that on their 200% welcome bonus. If your own money is lost you start to wager with the bonus funds and then that money becomes cashable with standard WR.