Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Net Proceeds From All Sources

v3.10.0.1
Consolidated Statements of Net Proceeds From All Sources - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Balances   $ 105,098   $ 52,659 $ 105,098 $ 52,659 $ 45,687
Net income $ 62,680 $ 43,791 $ 24,620 $ 19,259 209,736 97,231 42,275
Periodic pension costs, net of income taxes         (94) 156 289
Repurchase and retirement of Sub-share Certificates in Certificates of Proprietary Interest         (38,397) (34,267) (33,085)
Dividends paid         (8,206) (2,769) (2,507)
Special dividends paid         (23,446) (7,912)  
Balances $ 244,691   $ 105,098   $ 244,691 $ 105,098 $ 52,659
Sub-share Certificates of Proprietary Interest              
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Balances (in shares)   7,821,599   7,927,314 7,821,599 7,927,314 8,118,064
Repurchase and retirement of Sub-share Certificates in Certificates of Proprietary Interest (in shares)         (59,185) (105,715) (190,750)
Balances (in shares) 7,762,414   7,821,599   7,762,414 7,821,599 7,927,314
Accumulated Other Comprehensive Income (Loss)              
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Balances   $ (804)   $ (960) $ (804) $ (960) $ (1,249)
Periodic pension costs, net of income taxes         (274) 156 289
Repurchase and retirement of Sub-share Certificates in Certificates of Proprietary Interest           0  
Balances $ (1,078)   $ (804)   (1,078) (804) (960)
Net Proceeds From All Sources              
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Balances   $ 105,902   $ 53,619 105,902 53,619 46,936
Net income         209,736 97,231 42,275
Periodic pension costs, net of income taxes         180    
Repurchase and retirement of Sub-share Certificates in Certificates of Proprietary Interest         (38,397) (34,267) (33,085)
Dividends paid         (8,206) (2,769) (2,507)
Special dividends paid         (23,446) (7,912)  
Balances $ 245,769   $ 105,902   $ 245,769 $ 105,902 $ 53,619