Long-Term Debt (Narrative) (Details) - USD ($)		1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Line of credit			$ 37,824,000		$ 37,824,000
Interest expense			1,049,000	$ 945,000	2,090,000	$ 2,220,000
PPP loan
Debt Instrument [Line Items]
Long-term debt			$ 2,824,000		$ 2,824,000		$ 0
Interest rate			1.00%		1.00%
Payroll expenses			$ 2,400,000		$ 2,400,000
Line of Credit | Term Loan Facility
Debt Instrument [Line Items]
Line of credit		$ 35,000,000
Interest rate if basis spread on variable rate is not used		1.35575%
Percent of outstanding amount due		4.90%
Commitment fee percentage		4.50%
Twelve month revenue amount		$ 100,000
Increase in limit		$ 5,000,000
Long-term debt			$ 35,000,000		$ 35,000,000		$ 35,000,000
Line of Credit | Term Loan Facility | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		7.50%
Line of Credit | Senior Secured Credit Facility
Debt Instrument [Line Items]
Repayments of debt		$ 22,372,000
Unamortized deferred financing costs and discount		$ 388,000
Line of Credit | Fifth Amendment and Limited Waiver
Debt Instrument [Line Items]
Percent of outstanding amount due	5.00%
Increase in minimum liquidity requirement	$ 12,500,000