Stockholder's Equity (Vesting Schedule Of The Total Non-Vested Shares Of Restricted Stock Outstanding) (Details)	Mar. 31, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	389,852
2019 (9 months) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	0
2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	309,482
2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	19,807
2022 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	16,132
2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	38,372
Thereafter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-vested shares (in shares)	6,059