Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
January 1, 2019 to January 31, 2019 [Member]
Total number of shares purchased	300
Average price paid per share | $ / shares	$ 8.00
Total number of shares purchased as part of publicly announced program	300
Approximate dollar value of shares that may yet be purchased under the program | $	$ 2,933
February 1, 2019 to February 28, 2019 [Member]
Total number of shares purchased
Total number of shares purchased as part of publicly announced program
Approximate dollar value of shares that may yet be purchased under the program | $	$ 2,933
March 1, 2019 to March 31, 2019 [Member]
Total number of shares purchased	3,699
Total	3,999
Average price paid per share | $ / shares	$ 7.90
Total number of shares purchased as part of publicly announced program	3,699
Approximate dollar value of shares that may yet be purchased under the program | $	$ 2,903