S000010778 [Member] Average Annual Total Returns	12 Months Ended	15 Months Ended	60 Months Ended	106 Months Ended	120 Months Ended	158 Months Ended	386 Months Ended	387 Months Ended
S000010778 [Member] Average Annual Total Returns	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025
Bloomberg 1-5 Year Municipal Bond Index (reflects no deductions for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Percent	4.11%		1.36%		1.67%
Bloomberg Municipal Bond Index (reflects no deductions for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Percent	4.25%		0.80%		2.34%
Columbia Short Duration Municipal Bond Fund Class A
Prospectus [Line Items]
Average Annual Return, Percent	2.98%		1.12%		1.25%
Performance Inception Date							Nov. 02, 1993
Columbia Short Duration Municipal Bond Fund Class A \| After Taxes on Distributions
Prospectus [Line Items]
Average Annual Return, Percent	2.98%		1.12%		1.25%
Performance Inception Date							Nov. 02, 1993
Columbia Short Duration Municipal Bond Fund Class A \| After Taxes on Distributions and Sales
Prospectus [Line Items]
Average Annual Return, Percent	2.85%		1.27%		1.30%
Performance Inception Date							Nov. 02, 1993
Columbia Short Duration Municipal Bond Fund Institutional Class
Prospectus [Line Items]
Average Annual Return, Percent	4.26%		1.59%		1.59%
Performance Inception Date								Oct. 07, 1993
Columbia Short Duration Municipal Bond Fund Institutional 2 Class
Prospectus [Line Items]
Average Annual Return, Percent	4.31%		1.62%		1.65%
Performance Inception Date						Nov. 08, 2012
Columbia Short Duration Municipal Bond Fund Institutional 3 Class
Prospectus [Line Items]
Average Annual Return, Percent	4.34%		1.66%		1.66%
Performance Inception Date				Mar. 01, 2017
Columbia Short Duration Municipal Bond Fund - Class S
Prospectus [Line Items]
Average Annual Return, Percent	4.26%		1.59%		1.59%
Performance Inception Date		Oct. 02, 2024