Stockholders' Equity Transactions (Narrative) (Detail) - $ / shares	6 Months Ended
	Dec. 31, 2018	Jun. 30, 2018	Sep. 16, 2014
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	522,397		1,000,000
Common Stock Shares Outstanding	18,557,704	18,729,082	19,400,000
Stock Repurchased During Period, Shares	500,000
Treasury Stock Acquired, Average Cost Per Share	$ 14.13
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired	186,393