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Equity (Tables)
 6 Months Ended
Jun. 30, 2022
Equity [Abstract]  
Schedule of changes in total common stockholders' equity
The Company’s changes in total equity for the six months ended June 30, 2022 and 2021 were as follows:
Six months ended June 30, 2022
 Common StockAdditional
Paid-in
Capital		Retained
Earnings		Noncontrolling InterestsTotal Equity
 SharesAmount
 (In thousands)
Balance at January 1, 202253,716 $537 $651,121 $525,936 $5,386 $1,182,980 
Net income (loss)1,086 (192)894 
Issuance of common stock85 1 1,106 — 1,107 
Repurchase of common stock(28)— (1,674)— (1,674)
Dividends paid on common stock ($0.2500 per share)
(13,429)— (13,429)
Investment in business with noncontrolling interest
(54)— 54 — 
Balance at March 31, 202253,773 538 650,499 513,593 5,248 1,169,878 
Net income (loss)19,484 (269)19,215 
Issuance of common stock585 6 32,118 32,124 
Repurchase of common stock(2)— (111)(111)
Dividends paid on common stock ($0.2500 per share)
(13,452)(13,452)
Investment in business with noncontrolling interest
(153)153 — 
Distribution to noncontrolling interest(348)$(348)
Balance at June 30, 202254,356 544 682,353 519,625 4,784 1,207,306 
Six months ended June 30, 2021
 Common StockAdditional
Paid-in
Capital		Retained
Earnings		Noncontrolling InterestsTotal
Equity
 SharesAmount
 (In thousands)
Balance at January 1, 202150,334 $503 $448,632 $472,209 $— $921,344 
Net loss(3,032)— (3,032)
Issuance of common stock528 5 24,481 24,486 
Repurchase of common stock(27)— (1,415)(1,415)
Dividends paid on common stock ($0.2300 per share)
(11,581)— (11,581)
Balance at March 31, 202150,835 508 471,698 457,596 — 929,802 
Net income (loss)38,225 (149)38,076 
Issuance of common stock702 7 40,895 40,902 
Repurchase of common stock(2)— (109)(109)
Dividends paid on common stock ($0.2300 per share)
(11,702)— (11,702)
Acquisition of business with noncontrolling interest
— — 5,294 5,294 
Balance at June 30, 202151,535 515 512,484 484,119 5,145 1,002,263