Stock-based Payments and Director Fees - Schedule of Management Fees and Director Fees (Details) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Number of shares (in shares) | 65,065 | 51,572 |
Amount of expense recognized | $ 766 | $ 801 |
Management fees | ||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Number of shares (in shares) | 62,301 | 49,156 |
Amount of expense recognized | $ 728 | $ 763 |
Independent director fees | ||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Number of shares (in shares) | 2,764 | 2,416 |
Amount of expense recognized | $ 38 | $ 38 |