Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2013

Regulatory Matters [Abstract]

Summary of Regulatory Capital Requirement

Quantitative measures established by regulation to ensure capital adequacy require Pinnacle Financial and Pinnacle Bank to maintain minimum amounts and ratios of Total and Tier I capital to risk-weighted assets and for Pinnacle Bank of Tier I capital to average assets. Management believes, as of March 31, 2013, that Pinnacle Financial and Pinnacle Bank met all capital adequacy requirements to which they are subject.  To be categorized as well-capitalized under applicable banking regulations, Pinnacle Financial and Pinnacle Bank must maintain minimum Total risk-based, Tier I risk-based, and Tier I leverage ratios as set forth in the following table and not be subject to a written agreement, order or directive to maintain a higher capital level.  Pinnacle Financial's and Pinnacle Bank's actual capital amounts and ratios are presented in the following table (in thousands):

	Actual					Minimum Capital Requirement					Minimum To Be Well-Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
At March 31, 2013
Total capital to risk weighted assets:
Pinnacle Financial	$	568,850		13.0	%	$	351,067		8.0	%	$	440,555		10.0	%
Pinnacle Bank	$	560,476		12.8	%	$	350,388		8.0	%	$	439,717		10.0	%
Tier I capital to risk weighted assets:
Pinnacle Financial	$	513,781		11.7	%	$	175,534		4.0	%	$	264,333		6.0	%
Pinnacle Bank	$	505,511		11.6	%	$	175,194		4.0	%	$	263,830		6.0	%
Tier I capital to average assets (*):
Pinnacle Financial	$	513,781		10.8	%	$	175,534		4.0	%	$	264,333		N/A
Pinnacle Bank	$	505,511		10.7	%	$	175,194		4.0	%	$	263,830		5.0	%

(*) Average assets for the above calculations were based on the most recent quarter.