Non-Controlling Interests/Purchase of Telos ID - Narrative (Details) $ / shares in Units, $ in Thousands, shares in Millions					1 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
	Nov. 23, 2020 USD ($) $ / shares shares	Dec. 24, 2014 USD ($) member membershipUnitClass	Apr. 20, 2007 USD ($)	Apr. 19, 2007	Jan. 31, 2021 USD ($)	Dec. 31, 2020	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 11, 2007 USD ($)
Noncontrolling Interest [Line Items]
Cash paid for acquisition											$ 5,925	$ 0	$ 0
Additional percentage of ownership interest						50.00%
Net (loss) income							$ (5,222)	$ (17,644)	$ (32,422)	$ (37,644)	$ (43,134)	6,841	(2,137)
Distributions												5,179	2,371
Telos ID
Noncontrolling Interest [Line Items]
Net book value of assets contributed														$ 17
Sale of stock, percentage of ownership before transaction				99.999%
Noncontrolling interest, ownership percentage by noncontrolling owners				0.001%
Percentage of membership interest sold to investor		10.00%	39.999%
Cash consideration received on sale of membership interest		$ 5,000	$ 6,000
Gain (loss) on disposition of stock in subsidiary			$ 5,800
Sale of stock, percentage of ownership after transaction			60.00%
Number of members in board of director | member		5
Classes of membership units | membershipUnitClass		2
Telos ID
Noncontrolling Interest [Line Items]
Cash paid for acquisition	$ 30,000
Number of shares issued in acquisition (in shares) | shares	7.3
Share price (in dollars per share) | $ / shares	$ 20.39
Value of stock issued	$ 148,400
Total consideration transferred	178,400
Issuance of common stock on APIC	148,400
Non-controlling interest in APIC	$ 173,900
Additional percentage of ownership interest	50.00%
Impact of ownership interest on APIC	$ 25,500
Class A Membership Unit
Noncontrolling Interest [Line Items]
Net (loss) income												5,200	4,300
Class A Membership Unit | Telos ID
Noncontrolling Interest [Line Items]
Sale of stock, percentage of ownership after transaction		50.00%
Number of directors entitled to be appointed | member		3
Percentage of profit and loss allocated		50.00%
Class B Membership Unit
Noncontrolling Interest [Line Items]
Distributions					$ 2,400							$ 2,800	$ 2,400
Class B Membership Unit | Telos ID
Noncontrolling Interest [Line Items]
Sale of stock, percentage of ownership after transaction		50.00%
Number of directors entitled to be appointed | member		2
Percentage of profit and loss allocated		50.00%