Stockholders' Equity - Common and Treasury Stock and Series B Convertible Preferred Stock (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2020 shares
Common Shares Issued
Balance as of January 1, 2020 (in shares)	23,117
Balance as of March 31, 2020 (in shares)	23,117
Treasury Stock Shares
Balance as of January 1, 2020 (in shares)	260
Net shares issued for Stock awards (in shares)	(1)
Balance as of March 31, 2020 (in shares)	259
Common Shares Outstanding
Balance as of January 1, 2020 (in shares)	22,857
Balance as of March 31, 2020 (in shares)	22,858
Common Stock
Common Shares Outstanding
Net shares issued for Stock awards (in shares)	1