Basis of Condensed Consolidated Financial Statements (Narrative) (Detail) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
| Segment Reporting Information [Line Items] |
|
|
|
|
| Increases in premiums earned by agent |
$ 515,792
|
$ 501,613
|
$ 1,028,037
|
$ 934,533
|
| Increases in personnel costs |
417,725
|
407,452
|
800,437
|
773,575
|
| Increases in premiums earned by agent |
403,669
|
395,278
|
808,708
|
738,014
|
| Decreases in operating expenses |
216,361
|
211,824
|
403,036
|
411,982
|
| Decreases to direct premiums and escrow fees |
623,975
|
609,606
|
1,125,889
|
1,111,018
|
| Information and other |
$ 182,771
|
180,838
|
$ 337,848
|
337,985
|
| Title Insurance and Services |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Increases in premiums earned by agent |
|
8,500
|
|
15,100
|
| Increases in personnel costs |
|
10,500
|
|
18,500
|
| Increases in premiums earned by agent |
|
500
|
|
700
|
| Decreases in operating expenses |
|
(11,000)
|
|
(19,200)
|
| Decreases to direct premiums and escrow fees |
|
(10,300)
|
|
(20,800)
|
| Information and other |
|
10,300
|
|
20,800
|
| Specialty Insurance |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Increases in personnel costs |
|
300
|
|
500
|
| Decreases in operating expenses |
|
$ (300)
|
|
$ (500)
|