Deposits (Escrow, Savings and Investment Certificate Accounts) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Escrow Savings And Investment Certificate Accounts [Line Items]
Interest bearing	$ 1,376,921		$ 904,919
Non-interest bearing	176,964		323,568
Escrow accounts	1,553,885		1,228,487
Savings accounts	22,015		25,067
Less than one year	19,813		20,315
One to five years	6,783		16,900
Certificate accounts	26,596		37,215
Business checking and other deposits	90,436	[1]	120,424	[1]
Deposits, Total	$ 1,692,932		$ 1,411,193
Escrow accounts, Annualized interest rates	0.13%		0.17%
Savings accounts, Annualized interest rates	0.50%		0.60%
Certificate accounts, Annualized interest rates	1.28%		1.46%

[1] Business checking and other deposits primarily reflect non-interest bearing accounts.