Lines of Credit and Long-Term Debt - Lines of Credit (Details) - 2020 Credit Facility - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Dec. 18, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Lines of Credit
Maximum borrowing capacity	$ 120,000
Sublimit of loan	1,000
Amount available to be maintained for draw	$ 10,000
Factor multiplied with trailing twelve months EBITDA to determine available borrowing	3
Trailing period	12 months
Commitment fee at closing (as a percent)	0.50%
Commitment fee payable on each anniversary (as a percent)	0.25%
Aggregate borrowings outstanding		$ 57,200		$ 57,200
Letter of credit outstanding		$ 100		$ 100
Interest rate (as a percent)		4.37%	3.34%	4.37%	3.34%
Effective rate, unused line fee (as a percent)		0.35%	0.45%	0.35%	0.45%
Interest expense		$ 637	$ 267	$ 1,097	$ 528
Deferred financing costs, gross		1,534		1,534
Amortization of deferred financing costs to interest expense		138	$ 135	275	$ 268
Deferred financing costs, net		$ 699		$ 699		$ 624
Maximum
Lines of Credit
Leverage ratio	3.00
LIBOR
Lines of Credit
Spread on variable rate (as a percent)	3.25%