Derivative Financial Instruments - Schedule of Rollforward of the Amounts Included in Accumulated Other Comprehensive Loss, Net of Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity attributable to parent	$ 411,200	$ 743,198	$ 389,453	$ 348,873	$ 341,622
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	468,044
Changes in fair value	(12,393)
Reclassification to earnings	332
Ending balance	411,200
Accumulated Other Comprehensive Income (Loss)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity attributable to parent	(12,061)	0	$ 0	$ 0	$ 0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0
Ending balance	(12,061)
Interest Rate Collars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity attributable to parent	(15,938)	0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0
Changes in fair value	(16,377)
Reclassification to earnings	439
Ending balance	(15,938)
Deferred Taxes
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Equity attributable to parent	3,877	$ 0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0
Changes in fair value	3,984
Reclassification to earnings	(107)
Ending balance	$ 3,877

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

AVANTAX, INC. 10-Q