Shareholder Report, Average Annual Return (Details)
|
12 Months Ended |
60 Months Ended |
120 Months Ended |
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
| C000029788 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Class A (including sales charges) ($12,527)
|
|
|
| Average Annual Return, Percent |
3.52%
|
2.56%
|
2.28%
|
| C000029790 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Class C (including sales charges) ($11,952)
|
|
|
| Average Annual Return, Percent |
3.01%
|
2.21%
|
1.80%
|
| C000254316 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Class S ($12,983)
|
|
|
| C000122569 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Institutional 2 Class ($13,077)
|
|
|
| C000079024 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Institutional 3 Class ($13,134)
|
|
|
| C000029791 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Columbia Short Term Bond Fund Institutional Class ($12,984)
|
|
|
| Without Sales Load [Member] | C000029788 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.58%
|
2.76%
|
2.38%
|
| Without Sales Load [Member] | C000029790 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.01%
|
2.21%
|
1.80%
|
| Without Sales Load [Member] | C000254316 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.84%
|
3.03%
|
2.64%
|
| Without Sales Load [Member] | C000122569 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
5.02%
|
3.11%
|
2.72%
|
| Without Sales Load [Member] | C000079024 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.92%
|
3.13%
|
2.76%
|
| Without Sales Load [Member] | C000029791 |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Average Annual Return, Percent |
4.84%
|
3.04%
|
2.65%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg U.S. Aggregate Bond Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg U.S. Aggregate Bond Index ($11,835)
|
|
|
| Average Annual Return, Percent |
4.35%
|
0.31%
|
1.70%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|
| Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index |
|
|
|
| Average Annual Return [Line Items] |
|
|
|
| Line Graph and Table Measure Name |
Bloomberg 1-3 Year Government/Credit Index ($12,213)
|
|
|
| Average Annual Return, Percent |
3.96%
|
2.04%
|
2.02%
|