SEGMENT REPORTING - Summary of Revenues and EBITDA by Segment (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) segment	Mar. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	3
Total sales revenues	$ 77,871	$ 68,005
Total adjusted EBITDA	16,153	11,824
Operating Segments | TruBridge
Segment Reporting Information [Line Items]
Total sales revenues	43,108	31,639
Total adjusted EBITDA	10,789	6,520
Operating Segments | Acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	30,392	31,890
Total adjusted EBITDA	5,032	4,684
Operating Segments | Post-acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	4,371	4,476
Total adjusted EBITDA	332	620
Recurring revenue | Operating Segments | Acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	27,364	27,210
Recurring revenue | Operating Segments | Post-acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	3,895	4,222
Non-recurring revenue | Operating Segments | Acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	3,028	4,680
Non-recurring revenue | Operating Segments | Post-acute Care EHR
Segment Reporting Information [Line Items]
Total sales revenues	$ 476	$ 254