Holding Company Condensed Financial Information - Cashflows (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 7,561	$ 7,689
Net cash provided by operating activities	11,573	7,954
Cash flows from financing activities:
Proceeds from exercise of stock options	981	215
Treasury stock purchases	(2,336)	(1,283)
Cash dividends	(4,173)	(4,183)
Net cash used for financing activities	(1,465)	86,355
Net (decrease) increase in cash during the year	(45,764)	45,402
Cash and cash equivalents at beginning of year	116,034
Cash and cash equivalents at end of year	70,270	116,034
Provident Financial Holding [Member]
Cash flows from operating activities:
Net income	7,561	7,689
Equity in undistributed earnings of the Bank	(3,345)	(998)
Increase in other assets	48	23
Decrease in other liabilities	(2)	(42)
Net cash provided by operating activities	4,262	6,672
Cash flows from financing activities:
Proceeds from exercise of stock options	981	215
Treasury stock purchases	(2,336)	(1,283)
Cash dividends	(4,173)	(4,183)
Net cash used for financing activities	(5,528)	(5,251)
Net (decrease) increase in cash during the year	(1,266)	1,421
Cash and cash equivalents at beginning of year	6,842	5,421
Cash and cash equivalents at end of year	$ 5,576	$ 6,842