The Hawks improved to 10-5 at home, 17-9 overall.
"A couple of times I thought we were dead in the water," Atlanta coach Larry Drew said. "It was a really hard fought win."
Notes: According to the Hawks' postgame notes, Detroit's 85 points off the bench were an NBA single-game high this season. ... Hawks G Devin Harris missed his fourth straight game with a sore left foot. ... Atlanta G Kyle Korver was 2-for-11 from the field. ... Smith's point total was his best since March 31 at Philadelphia, when he had 34. His high of 38 was on Nov. 17, 2007, at Milwaukee. ... Bynum's career high is 32 points, scored against Charlotte on April 5, 2009. ... Detroit's last three-game winning streak was last March 31-April 5 in a homestand against Charlotte, Orlando and Washington.