STOCK-BASED COMPENSATION: Stock Option Activity (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Stock Option Activity - Number of Shares
Outstanding at beginning of the period (in shares) | shares	730,004
Exercised (in shares) | shares	(168,168)
Forfeited or cancelled (in shares) | shares	(2,287)
Outstanding at end of the period (in shares) | shares	559,549
Weighted-average exercise price per share
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 16.28
Exercised (in dollars per share) | $ / shares	13.00
Forfeited or cancelled (in dollars per share) | $ / shares	3.56
Outstanding at the end of the period (in dollars per share) | $ / shares	$ 17.31
Weighted average remaining contractual term	2 years 6 months
Exercised | $	$ 2,997
Outstanding at the end of the period | $	$ 4,753
Exercisable at the end of the period (in shares) | shares	535,403
Exercisable at the end of the period (in dollars per share) | $ / shares	$ 18.06
Exercisable at the end of the period	2 years 2 months 12 days
Exercisable at the end of the period | $	$ 4,151