Render an aligned plain-text table from string rows

using System;
using System.Collections.Generic;
using System.Linq;

static string RenderTable(IReadOnlyList<string[]> table)
{
    int cols = table.Max(row => row.Length);
    int[] widths = Enumerable.Range(0, cols)
        .Select(c => table.Max(row => c < row.Length ? row[c].Length : 0)).ToArray();
    var lines = table.Select(row => string.Join("  ", row.Select((cell, c) => cell.PadRight(widths[c])))).ToList();
    lines.Insert(1, new string('-', widths.Sum() + 2 * (widths.Length - 1)));
    return string.Join(Environment.NewLine, lines);
}