Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 76,699	$ 72,149
Income (loss) from operations	623	(443)
Depreciation and amortization	2,285	2,715
PFS Operations
Segment Reporting Information [Line Items]
Total revenues	54,920	53,430
LiveArea Professional Services
Segment Reporting Information [Line Items]
Total revenues	21,779	18,719
Operating Segments
Segment Reporting Information [Line Items]
Total revenues	76,699	72,149
Income (loss) from operations	6,274	4,400
Operating Segments | PFS Operations
Segment Reporting Information [Line Items]
Total revenues	54,920	53,430
Income (loss) from operations	3,092	2,527
Depreciation and amortization	1,774	2,052
Operating Segments | LiveArea Professional Services
Segment Reporting Information [Line Items]
Total revenues	21,779	18,719
Income (loss) from operations	3,182	1,873
Depreciation and amortization	223	331
Unallocated Corporate
Segment Reporting Information [Line Items]
Income (loss) from operations	(5,651)	(4,843)
Depreciation and amortization	$ 288	$ 332