Equity - Changes in Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	55,598,000
Balance at beginning of period	$ 1,322,394	$ 1,171,917
Net income (loss)	(22,334)	894
Issuance of common stock	17,384	1,107
Repurchase of common stock	0	(1,674)
Dividends paid on common stock	(14,456)	(13,429)
Investment in business with noncontrolling interest	$ 0	0
Balance at end of period (in shares)	55,991,000
Balance at end of period	$ 1,302,988	$ 1,158,815
Dividends paid on common stock (in dollars per share)	$ 0.2600	$ 0.2500
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	55,598,000	53,716,000
Balance at beginning of period	$ 556	$ 537
Issuance of common stock (in shares)	420,000	85,000
Issuance of common stock	$ 4	$ 1
Repurchase of common stock (in shares)	(27,000)	(28,000)
Balance at end of period (in shares)	55,991,000	53,773,000
Balance at end of period	$ 560	$ 538
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	760,336	651,121
Issuance of common stock	17,380	1,106
Repurchase of common stock	0	(1,674)
Investment in business with noncontrolling interest	(111)	(54)
Balance at end of period	777,605	650,499
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	556,698	514,873
Net income (loss)	(22,211)	1,086
Dividends paid on common stock	(14,456)	(13,429)
Balance at end of period	520,031	502,530
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	4,804	5,386
Net income (loss)	(123)	(192)
Investment in business with noncontrolling interest	111	54
Balance at end of period	$ 4,792	$ 5,248