XML 120 R107.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule II. Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating activities      
Net cash provided by operating activities $ 98,268 $ 130,810 $ 114,212
Investing activities      
Purchases of property and equipment (1,126) (478) (1,638)
Net cash used in investing activities (29,059) (51,542) (50,478)
Financing activities      
Proceeds from stock option exercises 67 837
Tax benefit from share-based payments     995
Dividends to shareholders (84,491) (82,645) (76,111)
Net cash used in financing activities (84,424) (82,645) (74,279)
Change in cash and cash equivalents (15,215) (3,377) (10,545)
Cash and cash equivalents at beginning of year 55,559 58,936 69,481
Cash and cash equivalents at end of year 40,344 55,559 58,936
Parent Company [Member]      
Operating activities      
Net cash provided by operating activities 2,448 15,138 2,771
Investing activities      
Purchases of investments (47,825) (37,361) (11,940)
Proceeds from sales of investments 54,600 33,000  
Purchases of property and equipment (1,041) (277) (924)
Dividends from subsidiary 65,400 78,900 67,000
Net cash used in investing activities 71,134 74,262 54,136
Financing activities      
Proceeds from stock option exercises 67   837
Tax benefit from share-based payments     995
Dividends to shareholders (84,491) (82,645) (76,111)
Net cash used in financing activities (84,424) (82,645) (74,279)
Change in cash and cash equivalents (10,842) 6,755 (17,372)
Cash and cash equivalents at beginning of year 16,351 9,596 26,968
Cash and cash equivalents at end of year $ 5,509 $ 16,351 $ 9,596