Debt Obligations - Borrowings and Repayments (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Borrowings
Borrowings from revolving line of credit		$ 194,000,000	$ 204,400,000	$ 24,000,000
Total		269,000,000	304,400,000	24,000,000
Repayments
Revolving line of credit		(174,900,000)	(183,400,000)	(28,000,000)
Senior unsecured notes		(48,160,000)	(47,160,000)	(40,160,000)
Total		(223,060,000)	(230,560,000)	(68,160,000)
Borrowings from term loans		269,000,000	304,400,000	24,000,000
Outstanding Balance		767,854,000	722,719,000
Available for borrowing		270,000,000	289,100,000
Revolving line of credit
Borrowings
Total		194,000,000	204,400,000	24,000,000
Repayments
Total		(174,900,000)	(183,400,000)	(28,000,000)
Borrowings from term loans		194,000,000	204,400,000	24,000,000
Outstanding Balance		130,000,000	110,900,000
Available for borrowing		270,000,000	289,100,000
Term loans
Borrowings
Total			100,000,000
Repayments
Borrowings from term loans			100,000,000
Outstanding Balance		99,511,000	99,363,000
Senior Unsecured Notes
Borrowings
Total		75,000,000
Repayments
Total		(48,160,000)	(47,160,000)	$ (40,160,000)
Borrowings from term loans		75,000,000
Outstanding Balance		$ 538,343,000	$ 512,456,000
Subsequent Event | Revolving line of credit
Borrowings
Total	$ 162,700,000
Repayments
Borrowings from term loans	162,700,000
Outstanding Balance	292,700,000
Available for borrowing	107,300,000
Subsequent Event | Senior Unsecured Notes
Borrowings
Borrowings from revolving line of credit	162,700,000
Repayments
Senior unsecured notes	(7,000,000)
Total	(7,000,000)
Outstanding Balance	$ 531,343,000