XML 91 R81.htm IDEA: XBRL DOCUMENT v3.8.0.1
Regulatory Capital - Summary of Regulatory Capital Requirement (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total capital (to risk-weighted assets), Actual, Amount $ 347,601 $ 316,576
Total capital (to risk-weighted assets), Actual, Ratio 13.22% 13.87%
Total capital (to risk-weighted assets), For capital adequacy purposes, Amount $ 210,274 $ 182,596
Total capital (to risk-weighted assets), For capital adequacy purposes, Ratio 8.00% 8.00%
Total capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 226,833 $ 196,976
Total capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Ratio 8.63% 8.63%
Tier 1 capital (to average assets), Actual, Amount $ 331,962 $ 301,739
Tier 1 capital (to average assets), Actual, Ratio 12.63% 13.22%
Tier 1 capital (to average assets), For capital adequacy purposes, Amount $ 157,705 $ 136,947
Tier 1 capital (to average assets), For capital adequacy purpose, Ratio 6.00% 6.00%
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 174,264 $ 151,326
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Ratio 6.63% 6.63%
Common equity tier 1 capital, Actual Amount $ 293,499 $ 263,313
Common equity tier 1 capital, Actual Ratio 11.17% 11.50%
Common equity tier 1 capital,For capital adequacy purposes, Amount $ 118,279 $ 103,036
Common equity tier 1 capital, For capital adequacy purpose, Ratio 4.50% 4.50%
Common equity tier 1 capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 134,838 $ 117,460
Common equity tier 1 capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Ratio 5.13% 5.13%
Tier 1 capital (to average assets), Actual, Amount $ 331,962 $ 301,739
Tier 1 capital (to average assets), Actual, Ratio 10.11% 10.44%
Tier 1 capital (to average assets), For capital adequacy purposes, Amount $ 131,319 $ 115,609
Tier 1 capital (to average assets), For capital adequacy purpose, Ratio 4.00% 4.00%
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 131,319 $ 115,609
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Ratio 4.00% 4.00%
Bank [Member]    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total capital (to risk-weighted assets), Actual, Amount $ 339,596 $ 319,013
Total capital (to risk-weighted assets), Actual, Ratio 12.93% 13.98%
Total capital (to risk-weighted assets), For capital adequacy purposes, Amount $ 210,162 $ 182,541
Total capital (to risk-weighted assets), For capital adequacy purposes, Ratio 8.00% 8.00%
Total capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 226,713 $ 196,916
Total capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Ratio 8.63% 8.63%
Total capital (to risk-weighted assets), For well capitalized purpose, Amount $ 262,703 $ 228,176
Total capital (to risk-weighted assets), For well capitalized purpose, Ratio 10.00% 10.00%
Tier 1 capital (to average assets), Actual, Amount $ 323,957 $ 304,176
Tier 1 capital (to average assets), Actual, Ratio 12.33% 13.33%
Tier 1 capital (to average assets), For capital adequacy purposes, Amount $ 157,622 $ 136,905
Tier 1 capital (to average assets), For capital adequacy purpose, Ratio 6.00% 6.00%
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 174,172 $ 151,280
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Ratio 6.63% 6.63%
Tier 1 capital (to average assets), For well capitalized purpose, Amount $ 210,162 $ 182,540
Tier 1 capital (to average assets), For well capitalized purposes, Ratio 8.00% 8.00%
Common equity tier 1 capital, Actual Amount $ 323,957 $ 304,176
Common equity tier 1 capital, Actual Ratio 12.33% 13.33%
Common equity tier 1 capital,For capital adequacy purposes, Amount $ 118,216 $ 102,679
Common equity tier 1 capital, For capital adequacy purpose, Ratio 4.50% 4.50%
Common equity tier 1 capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 134,766 $ 117,054
Common equity tier 1 capital (to risk-weighted assets), Required for capital1 adequacy purposes with capital buffer, Ratio 5.13% 5.13%
Common equity tier 1 capital, For well capitalized purpose, Amount $ 170,757 $ 148,314
Common equity tier 1 capital, For well capitalized purposes, Ratio 6.50% 6.50%
Tier 1 capital (to average assets), Actual, Amount $ 323,957 $ 304,176
Tier 1 capital (to average assets), Actual, Ratio 9.90% 9.93%
Tier 1 capital (to average assets), For capital adequacy purposes, Amount $ 130,877 $ 122,521
Tier 1 capital (to average assets), For capital adequacy purpose, Ratio 4.00% 4.00%
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Amount $ 130,877 $ 122,521
Tier 1 capital (to average assets), Required for capital1 adequacy purposes with capital buffer, Ratio 4.00% 4.00%
Tier 1 capital (to average assets), For well capitalized purpose, Amount $ 163,596 $ 153,151
Tier 1 capital (to average assets), For well capitalized purposes, Ratio 5.00% 5.00%