Acquisitions - Estimated Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Jan. 14, 2022
Assets acquired:
Goodwill	$ 68,368	$ 68,368
Eyechronic LLC
Assets acquired:
Cash			$ 118
Accounts receivable			835
Other current assets			37
Fixed assets			2,826
Goodwill			23,073
Total assets acquired			31,658
Liabilities assumed:
Accounts payable			(460)
Other current liabilities			(8)
Deferred revenue			(96)
Other liabilities			(22)
Long-term liabilities			(1,650)
Total liabilities assumed			(2,236)
Total net assets acquired			29,422
Eyechronic LLC | Software technology
Assets acquired:
Intangibles			825
Eyechronic LLC | Trade name
Assets acquired:
Intangibles			103
Eyechronic LLC | Customer relationships
Assets acquired:
Intangibles			3,631
Eyechronic LLC | Order Backlog
Assets acquired:
Intangibles			$ 210