Credit Facility (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Principal payments of Term Loan
April 1, 2020December 31, 2020	$ 778
January 1, 2021December 31, 2021	778
January 1, 2022December 31, 2022	778
January 1, 2023December 31, 2023	388
Total	$ 2,722
Interest rate percentage	3.70%
Amortization of debt issuance costs
April 1, 2020December 31, 2020	$ 343
January 1, 2021December 31, 2021	457
January 1, 2022December 31, 2022	457
January 1, 2023December 31, 2023	120
Total	1,377
Credit Facility
Principal payments of Term Loan
Capitalized interest expense	131	$ 0
Amortization and interest expense expensed	$ 114	$ 56
Credit Facility | LIBOR | Minimum
Credit Facility
Spread on floating interest rate (as a percent)	1.75%
Credit Facility | LIBOR | Maximum
Credit Facility
Spread on floating interest rate (as a percent)	2.75%
Credit Facility | Prime Rate | Minimum
Credit Facility
Spread on floating interest rate (as a percent)	0.75%
Credit Facility | Prime Rate | Maximum
Credit Facility
Spread on floating interest rate (as a percent)	1.75%
Revolving Line of Credit
Credit Facility
Current issued borrowing capacity	$ 150,000
Amount outstanding	$ 100,000		$ 0
Revolving Line of Credit | Minimum
Credit Facility
Fee on unused portion of Revolving Line of Credit (as a percent)	0.25%
Revolving Line of Credit | Maximum
Credit Facility
Fee on unused portion of Revolving Line of Credit (as a percent)	0.50%
Term Loan
Credit Facility
Current issued borrowing capacity	$ 3,500
Amount outstanding	$ 2,722		$ 2,722