Actual regulatory capital position and minimum capital requirements (Details) $ in Thousands	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total Capital To Risk Weighted Assets [Member]
Banking Regulation, Total Capital, Actual	$ 171,829	$ 168,786
Banking Regulation, Total Risk-Based Capital Ratio, Actual	0.1341	0.1343
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	$ 102,472	$ 100,525
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum	0.080	0.080
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferAmount-0]	$ 134,495	$ 131,939
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferRatio-0]	10.50%	10.50%
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum	$ 128,090	$ 125,656
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum	0.100	0.100
Tier 1 Capital To Risk Weighted Assets [Member]
Banking Regulation, Total Capital, Actual	$ 155,812	$ 153,762
Banking Regulation, Total Risk-Based Capital Ratio, Actual	0.1216	0.1224
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	$ 76,854	$ 75,394
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum	0.060	0.060
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferAmount-0]	$ 108,877	$ 106,808
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferRatio-0]	8.50%	8.50%
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum	$ 102,472	$ 100,525
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum	0.080	0.080
Common Equity Tier 1 Capital To Risk Weighted Assets [Member]
Banking Regulation, Total Capital, Actual	$ 155,812	$ 153,762
Banking Regulation, Total Risk-Based Capital Ratio, Actual	0.1216	0.1224
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	$ 57,641	$ 56,545
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum	0.045	0.045
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferAmount-0]	$ 89,663	$ 87,959
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferRatio-0]	7.00%	7.00%
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum	$ 83,259	$ 81,677
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum	0.065	0.065
Tier 1 Capital To Average Assets [Member]
Banking Regulation, Total Capital, Actual	$ 155,812	$ 153,762
Banking Regulation, Total Risk-Based Capital Ratio, Actual	0.0998	0.0999
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	$ 62,444	$ 61,540
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum	0.040	0.040
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferAmount-0]	$ 62,444	$ 61,540
[custom:TotalCapitalMinimumCapitalRequiredForCapitalAdequacyPlusRequiredCapitalConservationBufferRatio-0]	4.00%	4.00%
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum	$ 78,055	$ 76,925
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum	0.050	0.050

SALISBURY BANCORP, INC. 10-Q