Sale of Common Stock (Details) - USD ($)					6 Months Ended
	Mar. 15, 2021	Mar. 15, 2021	Mar. 05, 2021	Feb. 02, 2021	Jun. 30, 2021	Jun. 30, 2020
Subsidiary, Sale of Stock [Line Items]
Maximum offering from universal shelf registration				$ 500,000
Term Of Securities Offered Under Self Registration				3 years
Sale of common stock, net (in shares)		1,927,049
Proceeds from sale of common stock		$ 108,676,000			$ 108,676,000	$ 2,500,000
Issuance cost		$ 877,000
Value Of Securities Available For Issuance Under Self Registration					$ 384,377
Public Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of common stock, net (in shares)			1,750,000
Share price			$ 56.85
Over-Allotment Option [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of common stock, net (in shares)	177,049