Business Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Apr. 02, 2022	Feb. 28, 2022	Jan. 01, 2022	Jan. 02, 2021
Current assets:
Goodwill	$ 92,922			$ 88,936	$ 89,187
Welch Consulting, Ltd.
Current assets:
Accounts receivable			$ 3,778
Unbilled services			1,507
Prepaid expenses and other current assets			100
Total current assets			5,385
Property and equipment			141
Goodwill			2,409
Intangible assets		$ 4,200	4,150
Right-of-use assets			1,210
Other assets			41
Total assets acquired			13,336
Current liabilities:
Accrued expenses			1,280
Deferred revenue and other liabilities			161
Current portion of lease liabilities			549
Total current liabilities			1,990
Non-current portion of lease liabilities			661
Total liabilities assumed			2,651
Net assets acquired			$ 10,685