Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Apr. 02, 2018	Nov. 15, 2008	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Private placement offering price (per unit)			$ 100
Preferred stock, shares outstanding (in shares)	0
Dividend paid			$ 1,789	$ 1,511
Dividend paid (in dollars per share)			$ 0.14	$ 0.12
Series A Preferred Stock
Class of Stock [Line Items]
Number of private placement offering		70
Private placement offering price (per unit)		$ 100,000
Gross proceeds of private placement		$ 7,000
Number of shares issued in private placement for each unit (in shares)		6,250
Preferred stock dividend rate percentage		8.00%
Preferred stock, shares issued (in shares)	437,500
Conversion ratio to common stock	100.00%