Loans and Allowance - Information pertaining to principal balances and specific reserve allocations for impaired loans, as well as average balances of and interest recognized on impaired loans (Details 6) (Loans Receivable, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment	$ 9,867	$ 9,923
Impaired loans without a specific allowance, Unpaid Principal Balance	10,961	10,820
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	4,665	5,640
Impaired loans with a specific allowance, Unpaid Principal Balance	4,856	5,698
Impaired loans with a related allowance, Specific Allowance	878	1,108
Total Impaired Loans:
Total impaired loans, Recorded Investment	14,532	15,563
Total impaired loans, Unpaid Principal Balance	15,817	16,518
Total impaired loans, Specific Allowance	878	1,108
Construction/Land
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment	2,438	2,286
Impaired loans without a specific allowance, Unpaid Principal Balance	2,673	2,516
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	1,818	1,818
Impaired loans with a specific allowance, Unpaid Principal Balance	1,831	1,831
Impaired loans with a related allowance, Specific Allowance	195	195
Total Impaired Loans:
Total impaired loans, Recorded Investment	4,256	4,104
Total impaired loans, Unpaid Principal Balance	4,504	4,347
Total impaired loans, Specific Allowance	195	195
1-4 family residential
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment	4,107	4,154
Impaired loans without a specific allowance, Unpaid Principal Balance	4,117	4,184
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	731	1,763
Impaired loans with a specific allowance, Unpaid Principal Balance	747	1,784
Impaired loans with a related allowance, Specific Allowance	302	552
Total Impaired Loans:
Total impaired loans, Recorded Investment	4,838	5,917
Total impaired loans, Unpaid Principal Balance	4,864	5,968
Total impaired loans, Specific Allowance	302	552
Multi-family residential
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment		52
Impaired loans without a specific allowance, Unpaid Principal Balance		53
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	1,015	1,022
Impaired loans with a specific allowance, Unpaid Principal Balance	1,032	1,038
Impaired loans with a related allowance, Specific Allowance	196	196
Total Impaired Loans:
Total impaired loans, Recorded Investment	1,015	1,074
Total impaired loans, Unpaid Principal Balance	1,032	1,091
Total impaired loans, Specific Allowance	196	196
Nonresidential
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment	3,193	3,194
Impaired loans without a specific allowance, Unpaid Principal Balance	4,028	3,672
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	900	902
Impaired loans with a specific allowance, Unpaid Principal Balance	900	902
Impaired loans with a related allowance, Specific Allowance	97	97
Total Impaired Loans:
Total impaired loans, Recorded Investment	4,093	4,096
Total impaired loans, Unpaid Principal Balance	4,928	4,574
Total impaired loans, Specific Allowance	97	97
Commercial
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment	129	237
Impaired loans without a specific allowance, Unpaid Principal Balance	143	395
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment	201	135
Impaired loans with a specific allowance, Unpaid Principal Balance	346	143
Impaired loans with a related allowance, Specific Allowance	88	68
Total Impaired Loans:
Total impaired loans, Recorded Investment	330	372
Total impaired loans, Unpaid Principal Balance	489	538
Total impaired loans, Specific Allowance	88	68
Consumer
Impaired loans without a specific allowance:
Impaired loans without a specific allowance, Recorded Investment
Impaired loans without a specific allowance, Unpaid Principal Balance
Impaired loans with a specific allowance:
Impaired loans with a specific allowance, Recorded Investment
Impaired loans with a specific allowance, Unpaid Principal Balance
Impaired loans with a related allowance, Specific Allowance
Total Impaired Loans:
Total impaired loans, Recorded Investment
Total impaired loans, Unpaid Principal Balance
Total impaired loans, Specific Allowance