Stockholders' Equity Additional Details (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Proceeds from issuance of common stock, net of expenses	$ 0	$ 60,980,000	$ 0
Common Stock Shares Issued At The Market	700,000
Shares Issued Price Per Share - At The Market	$ 82.93
Proceeds From Issuance Of Common Stock - At The Market	$ 61,000,000
Fees on Equity Issuance - At The Market	$ 1,500,000
Stock Issued During Period, Shares, Dividend Reinvestment Plan	100,000	300,000
Stock Issued During Period, Value, Dividend Reinvestment Plan	$ 125.71	$ 86.12
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan	15,200,000	$ 22,000,000
Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceeds from Stock Plans	$ 75,000,000