Debt Obligations - Component (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Obligations
Applicable Interest Rate (as a percent)		4.24%
Outstanding Balance		$ 767,854,000	$ 722,719,000
Available for borrowing		270,000,000	289,100,000
Borrowings		269,000,000	304,400,000	$ 24,000,000
Payments on debt		$ 223,060,000	230,560,000	68,160,000
Revolving line of credit
Debt Obligations
Applicable Interest Rate (as a percent)		5.38%
Outstanding Balance		$ 130,000,000	110,900,000
Available for borrowing		270,000,000	289,100,000
Borrowings		194,000,000	204,400,000	24,000,000
Payments on debt		$ 174,900,000	183,400,000	28,000,000
Term loans
Debt Obligations
Applicable Interest Rate (as a percent)		2.69%
Outstanding Balance		$ 99,511,000	99,363,000
Borrowings			100,000,000
Senior Unsecured Notes
Debt Obligations
Applicable Interest Rate (as a percent)		4.25%
Outstanding Balance		$ 538,343,000	512,456,000
Borrowings		75,000,000
Payments on debt		$ 48,160,000	$ 47,160,000	$ 40,160,000
Subsequent Event | Revolving line of credit
Debt Obligations
Outstanding Balance	$ 292,700,000
Available for borrowing	107,300,000
Borrowings	162,700,000
Subsequent Event | Senior Unsecured Notes
Debt Obligations
Outstanding Balance	531,343,000
Payments on debt	$ 7,000,000