Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Cash paid, net of cash acquired						$ 36,585	$ 1,978
Issuance of seller notes and working capital adjustments in connection with acquisitions						7,885	1,120
Goodwill						35,926	2,399
2019 Acquisition Activity, prosthetic and orthotic business
Acquisitions
Acquisition-related costs that are in progress or not completed						1,500
Acquisition-related costs						1,000
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Aggregate purchase price	$ 7,800	$ 3,300	$ 500	$ 32,800		44,370
Cash paid, net of cash acquired	5,000	3,000	200	27,700		35,909
Issuance of seller notes and working capital adjustments in connection with acquisitions	2,800	300	$ 300	4,400		7,835
Additional consideration		$ 700		$ 700		626
Accounts receivable, net	4,128					4,128
Inventories	2,081					2,081
Other assets and liabilities, net	(2,983)					(2,983)
Net assets acquired	(10,614)					(10,614)
Goodwill						33,756
Operating right-of-use assets	5,200					5,200
Operating lease liabilities	5,200					5,200
2019 Acquisition Activity, prosthetic and orthotic business | Customer Relationships
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net	7,038					$ 7,038
Weighted average useful life						4 years 8 months 12 days
2019 Acquisition Activity, prosthetic and orthotic business | Non-compete agreements
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net	$ 350					$ 350
Weighted average useful life						4 years 10 months 24 days
2019 Acquisition Activity, prosthetic and orthotic business | Minimum
Acquisitions
Notes payable to share holders in quarterly installments period						3 years
2019 Acquisition Activity, prosthetic and orthotic business | Maximum
Acquisitions
Notes payable to share holders in quarterly installments period						5 years
2018 Acquisition Activity, two O&P businesses
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Aggregate purchase price					$ 3,100		3,098
Cash paid, net of cash acquired							1,978
Issuance of seller notes and working capital adjustments in connection with acquisitions							1,120
Accounts receivable, net					256		256
Inventories					302		302
Other Assets					90		90
Accounts payable					(59)		(59)
Accrued expenses and other liabilities					(364)		(364)
Net assets acquired					699		699
Goodwill							2,399
2018 Acquisition Activity, two O&P businesses | Customer Relationships
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net					260		$ 260
Weighted average useful life							4 years
2018 Acquisition Activity, two O&P businesses | Non-compete agreements
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net					$ 214		$ 214
Weighted average useful life							4 years 7 months 6 days