Stock Options, ESOP, and Restricted Shares - Additional Information (Detail) (USD $)	3 Months Ended			3 Months Ended		0 Months Ended		3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Non-Vested Options [Member]	Mar. 31, 2013 Non-Vested Options [Member]	Dec. 19, 2012 Restricted Stock [Member]	Jan. 19, 2011 Restricted Stock [Member]	Mar. 31, 2014 Restricted Stock [Member]	Mar. 31, 2013 Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized to issue under 2010 Equity Incentive Plan				277,725				111,090
Maximum term of each option				10 years
Vesting period for all options from the date of grant	5 years
Compensation expense recognized attributable to the shares that have been awarded				$ 13,537	$ 13,537			$ 74,070	$ 74,070
Total remaining compensation cost to be recognized on non-vested options				81,226
Share awarded of restricted stock to its officers and employees pursuant to the terms of the 2010 Plan	2,777,250					16,664	94,426
Shares awarded, Grant Date Weighted-Average Cost						$ 16.65	$ 12.75
Total remaining compensation cost to be recognized on non-vested restricted stock								870,000
Number of shares purchased under the Employee Stock Ownership Plan "ESOP"	222,180		222,180
Percentage of shares purchased from the number of shares issued under the Employee Stock Ownership Plan "ESOP"	8.00%
Tenure of loan	15 years
Interest percentage on Term Loan	3.25%
Number of years for participants to become vested in the allocated shares	4 years
Total compensation expense	$ 0	$ 0