Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
State	$ 124	$ 191	$ 400
Foreign	2,031	1,598	2,837
Total current	2,155	1,789	3,237
Deferred
Federal	0	(175)	(161)
State	(4)	(125)	(395)
Foreign	(67)	269	130
Total deferred	(71)	(31)	(426)
Total tax provision	(2,084)	(1,758)	(2,811)
Effective Income Tax Rate Reconciliation Detail [Table]
Income tax provision (benefit) computed at statutory federal income tax rates	(3,091)	(5,268)	(26,903)
State income taxes (net of federal benefit)	(386)	(2,124)	(2,388)
Impact of international operations	(4,083)	4,036	672
Valuation allowance	9,055	4,598	30,640
Other	589	516	790
Total tax provision	(2,084)	(1,758)	(2,811)
Domestic and Foreign Income Before Tax Detail [Table]
Domestic	(25,198)	(25,929)	(135,668)
International	10,477	843	7,559
Loss before taxes and discontinued operations	(14,721)	(25,086)	(128,109)
Unrecognized Tax Benefit Liability Rollforward Detail [Table]
Gross unrecognized tax benefits at beginning of period	17	137	328
Lapse in statute of limitations	(17)	(120)	(191)
Gross unrecognized tax benefits at end of period	0	17	137
Recognized interest and penalties	(100)	(200)	$ (300)
Accrued potential interest and penalties	0	100
Amount of unrecognized tax benefits that would affect effective tax rate	0	100
Deferred tax assets:
Net operating losses	114,597	104,478
Accruals	16,500	16,515
Depreciation and amortization for book in excess of tax expense	10,965	12,608
Investment in Partnership	0	23,344
All other	11,913	12,743
Total deferred tax assets	153,975	169,688
Valuation allowance	(127,058)	(146,678)
Net deferred tax assets	26,917	23,010
Deferred tax liabilities:
Right of use asset	7,071	7,808
Depreciation and amortization for tax in excess of book expense	14,037	15,402
Investment in Partnership	5,471	0
All other	2,007	1,690
Total deferred tax liabilities	28,586	24,900
Total deferred tax liabilities	1,669	$ 1,890
Increase (decrease) in valuation allowance	19,600
Foreign and state net operating loss carryforwards	92,500
Operating Loss Carryforwards	12,300
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	$ 9,900