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Earnings Per Share (Narratives) (Details) - USD ($)		3 Months Ended		9 Months Ended
Earnings Per Share (Narratives) (Details) - USD ($)	Jan. 18, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Number Diluted Shares Outstanding Adjustment		273,000	352,000	0	344,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period				90,000
Common Stock, Dividends, Per Share, Declared	$ 0.06	$ 0.06	$ 0.06	$ 0.12	$ 0.12
2016 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares of common stock available for grant		2,500,000		2,500,000
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount				244,000
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount			234,000
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount					105,000
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends	$ 1,440,000