Query multiple details in parallel with coroutines async / awaitAll()

MultipleDetailsDemo.kt

import kotlinx.coroutines.*
import java.io.IOException

object MultipleDetailsDemo {
    @JvmStatic
    fun main(args: Array<String>) = runBlocking {
        val start = System.currentTimeMillis()
        val detailEntities: List<DetailEntity> = try {
            val ids = listOf(0, 1, 2)

            coroutineScope {
                ids.map { id ->
                    async {
                        val response = getDetailResponse(id)

                        if (response.name != null) {
                            DetailEntity(id, response.name)
                        } else {
                            throw IllegalStateException("Name is null !")
                        }
                    }
                }.awaitAll()
            }
        } catch (e: Exception) {
            e.printStackTrace()
            emptyList()
        }

        println("${System.currentTimeMillis() - start}ms: end of function, entities : $detailEntities")
    }

    private suspend fun getDetailResponse(id: Int): DetailResponse = when (id) {
        -1 -> throw IOException("Socket timeout")
        -2 -> DetailResponse(null)
        else -> {
            delay(200)
            DetailResponse("NAME$id")
        }
    }

    data class DetailResponse(
        val name: String?
    )

    data class DetailEntity(
        val id: Int,
        val name: String
    )
}

Kotlin Playground here : https://pl.kotl.in/zOtdPSGe4