Administrative detention and criminal detention are different.
Tips
usage
拘留 is a legal term for short-term detention. Compare: 逮捕 (dàibǔ, to arrest), 关押 (guānyā, to imprison), 拘留 (to detain, usually shorter term). Common collocations: 行政拘留, 刑事拘留, 拘留所 (detention center).