Regulatory Restrictions and Capital Adequacy (Tables)

12 Months Ended

Dec. 31, 2013

Regulatory Capital Requirements [Abstract]

Schedule of Capital Amount and Ratio Considered to be Capitalized

, First Commonwealth Bank was considered well capitalized under the regulatory framework for prompt corrective action. To be considered well capitalized, the bank must maintain minimum Total risk-based capital, Tier I risk-based capital and Tier I leverage ratios as set forth in the table below:

	Actual				Regulatory Minimum				Well Capitalized Regulatory Guidelines
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(dollars in thousands)
As of December 31, 2013
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	656,235	13.26	%	$	396,009	8.00	%	N/A		N/A
First Commonwealth Bank	637,415		12.87		396,275		8.00		$	495,344	10.00	%
Tier I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	598,851	12.10	%	$	198,004	4.00	%	N/A		N/A
First Commonwealth Bank	580,031		11.71		198,138		4.00		$	297,206	6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	598,851	10.00	%	$	239,430	4.00	%	N/A		N/A
First Commonwealth Bank	580,031		9.75		237,993		4.00		$	297,491	5.00	%
As of December 31, 2012
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	708,583	14.53	%	$	390,173	8.00	%	N/A		N/A
First Commonwealth Bank	669,131		13.75		389,421		8.00		$	486,776	10.00	%
Tier I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	647,460	13.28	%	$	195,087	4.00	%	N/A		N/A
First Commonwealth Bank	608,176		12.49		194,710		4.00		$	292,066	6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	647,460	11.24	%	$	230,322	4.00	%	N/A		N/A
First Commonwealth Bank	608,176		10.64		228,544		4.00		$	285,680	5.00	%