Indebtedness - Credit Facility (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2017
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 200,000,000
Indebtedness Weighted Average Remaining Maturity	8 years 8 months 12 days
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	3.62%
Unamortized Debt Issuance Expense	$ 1,800,000
Indebtedness Weighted Average Remaining Maturity	2 years 4 months 24 days
Minimum [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Loans Receivable, Basis Spread on Variable Rate	2.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%
Maximum [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Loans Receivable, Basis Spread on Variable Rate	3.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.30%