Fair Value Measurements and Fair Values of Financial Instruments - Estimated Fair Values of Riverview's Financial Instruments (Detail) - USD ($)
$ in Thousands |
Sep. 30, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Dec. 31, 2013 |
| Financial assets: |
|
|
|
|
| Cash and cash equivalents |
$ 14,262
|
$ 14,580
|
$ 14,525
|
$ 24,062
|
| Interest-bearing time deposits |
991
|
992
|
|
|
| Investment securities |
53,853
|
48,818
|
|
|
| Mortgage loans held for sale |
|
216
|
|
|
| Loans, net |
348,314
|
338,901
|
|
|
| Accrued interest receivable |
1,368
|
1,237
|
|
|
| Restricted investments in bank stocks |
1,478
|
1,002
|
|
|
| Financial liabilities: |
|
|
|
|
| Deposits |
378,735
|
372,262
|
|
|
| Capital lease payable |
|
1,655
|
|
|
| Short-term borrowings |
23,333
|
12,500
|
|
|
| Long-term borrowings |
7,350
|
7,000
|
|
|
| Accrued interest payable |
93
|
154
|
|
|
| Carrying Amount [Member] |
|
|
|
|
| Financial assets: |
|
|
|
|
| Cash and cash equivalents |
14,262
|
14,580
|
|
|
| Interest-bearing time deposits |
991
|
992
|
|
|
| Investment securities |
53,853
|
48,818
|
|
|
| Mortgage loans held for sale |
|
216
|
|
|
| Loans, net |
348,314
|
338,901
|
|
|
| Accrued interest receivable |
1,368
|
1,237
|
|
|
| Restricted investments in bank stocks |
1,478
|
1,002
|
|
|
| Financial liabilities: |
|
|
|
|
| Deposits |
378,735
|
372,262
|
|
|
| Capital lease payable |
|
1,655
|
|
|
| Short-term borrowings |
23,333
|
12,500
|
|
|
| Long-term borrowings |
7,350
|
7,000
|
|
|
| Accrued interest payable |
93
|
154
|
|
|
| Off balance sheet financial instruments |
0
|
0
|
|
|
| Fair Value [Member] |
|
|
|
|
| Financial assets: |
|
|
|
|
| Cash and cash equivalents |
14,262
|
14,580
|
|
|
| Interest-bearing time deposits |
991
|
992
|
|
|
| Investment securities |
53,853
|
48,818
|
|
|
| Mortgage loans held for sale |
|
216
|
|
|
| Loans, net |
350,554
|
341,121
|
|
|
| Accrued interest receivable |
1,368
|
1,237
|
|
|
| Restricted investments in bank stocks |
1,478
|
1,002
|
|
|
| Financial liabilities: |
|
|
|
|
| Deposits |
375,788
|
366,510
|
|
|
| Capital lease payable |
|
1,655
|
|
|
| Short-term borrowings |
23,353
|
12,499
|
|
|
| Long-term borrowings |
7,354
|
7,283
|
|
|
| Accrued interest payable |
93
|
154
|
|
|
| Off balance sheet financial instruments |
0
|
0
|
|
|
| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
|
|
| Financial assets: |
|
|
|
|
| Cash and cash equivalents |
14,262
|
14,580
|
|
|
| Interest-bearing time deposits |
991
|
992
|
|
|
| Investment securities |
485
|
495
|
|
|
| Financial liabilities: |
|
|
|
|
| Off balance sheet financial instruments |
0
|
0
|
|
|
| Significant Other Observable Inputs (Level 2) [Member] |
|
|
|
|
| Financial assets: |
|
|
|
|
| Investment securities |
53,368
|
48,323
|
|
|
| Mortgage loans held for sale |
|
216
|
|
|
| Loans, net |
350,554
|
341,121
|
|
|
| Accrued interest receivable |
1,368
|
1,237
|
|
|
| Financial liabilities: |
|
|
|
|
| Deposits |
375,788
|
366,510
|
|
|
| Capital lease payable |
|
1,655
|
|
|
| Short-term borrowings |
23,353
|
12,499
|
|
|
| Long-term borrowings |
7,354
|
7,283
|
|
|
| Accrued interest payable |
93
|
154
|
|
|
| Off balance sheet financial instruments |
0
|
0
|
|
|
| Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
|
| Financial assets: |
|
|
|
|
| Restricted investments in bank stocks |
1,478
|
1,002
|
|
|
| Financial liabilities: |
|
|
|
|
| Off balance sheet financial instruments |
$ 0
|
$ 0
|
|
|