Regulatory Capital (Schedule of Company's and Republic's Capital Regulatory Ratios) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Amount Available for Dividend Distribution without Affecting Capital Adequacy Requirements	$ 15,300,000
Risk based capital actual, amount	97,006,000	93,383,000
Risk based capital actual, ratio	12.73%	13.09%
Risk based capital for capital adequacy purposes, amount	60,971,000	57,068,000
Risk based capital for capital adequacy purposes, ratio	8.00%	8.00%
Tier one risk based capital actual, amount	87,479,000	84,259,000
Tier one risk based capital actual, ratio	11.48%	11.81%
Tier one risk based capital for capital adequacy purposes, amount	30,485,000	28,534,000
Tier one risk based capital for capital adequacy purposes, ratio	4.00%	4.00%
Tier one leveraged capital actual, amount	87,479,000	84,259,000
Tier one leveraged capital actual, ratio	9.01%	8.77%
Tier one leveraged capital for capital adequacy purposes, amount	38,838,000	38,411,000
Tier one leveraged capital for capital adequacy purposes, ratio	4.00%	4.00%
Republic [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Risk based capital actual, amount	96,366,000	91,622,000
Risk based capital actual, ratio	12.70%	12.90%
Risk based capital for capital adequacy purposes, amount	60,685,000	56,826,000
Risk based capital for capital adequacy purposes, ratio	8.00%	8.00%
Risk based capital to be well capitalized under FDIC capital guidelines, amount	75,857,000	72,218,000
Risk based capital to be well capitalized under FDIC capital guidelines	10.00%	10.00%
Tier one risk based capital actual, amount	86,883,000	82,704,000
Tier one risk based capital actual, ratio	11.45%	11.64%
Tier one risk based capital for capital adequacy purposes, amount	30,343,000	28,413,000
Tier one risk based capital for capital adequacy purposes, ratio	4.00%	4.00%
Tier one risk based capital to be well capitalized under FDIC capital guidelines, amount	45,514,000	43,331,000
Tier one risk based capital to be well capitalized under FDIC capital guidelines, ratio	6.00%	6.00%
Tier one leveraged capital actual, amount	86,883,000	82,704,000
Tier one leveraged capital actual, ratio	8.96%	8.62%
Tier one leveraged capital for capital adequacy purposes, amount	38,786,000	38,359,000
Tier one leveraged capital for capital adequacy purposes, ratio	4.00%	4.00%
Tier one leveraged capital to be well capitalized under FDIC capital guidelines, amount	$ 48,483,000	$ 44,946,000
Tier one leveraged capital to be well capitalized under FDIC capital guidelines, ratio	5.00%	5.00%