Stock Options and Restricted Stock Awards - Stock Option Activity (Details)	3 Months Ended
	Sep. 30, 2018 $ / shares shares
Number of Options
Options outstanding, balance at beginning of period (in shares) | shares	22,321
Options exercised (in shares) | shares	(8,087)
Options outstanding, balance at end of period (in shares) | shares	14,234
Weighted Average Exercise Price
Options outstanding at beginning of period (per share) | $ / shares	$ 8.75
Options exercised (per share) | $ / shares	8.75
Options outstanding at end of period (per share) | $ / shares	$ 8.75